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ERROR When installing the Ansys License Manager at the end of the installer you receive this error in the detailed installation log. ...WARNING: Attempt to populate the CVD 'license_files' directory did not find a legacy ANSYS license file at the following location: C:\Program Files\ANSYS Inc\Shared Files\Licensing\license.dat Software & Version
Description Ansys FlexNet Licensing model is Ansys' self-hosted (installed on your own server) licensing method that has existed for over 15yrs. As of 2023, it is the most common licensing method used. It uses a small, stand-alone application, called the Ansys License manager, that hosts an Ansys FlexNet license, which checks in and out licenses t
Error When using Ansys Mechanical 2021R1, exporting to a NASTRAN file fails with the following message: Error Text: "Failed to export NASTRAN file. Please refer to the messages for more information." Description/Cause There is a bug in Ansys 2021R1 that causes this if the customer doesn’t have an Enterprise level license. Solution Create a Syst
Description Many (full list) modern Endpoint Security/Protection software products can block Ansys from running properly, corrupt an Ansys installation, or both. Ansys has literally hundreds of executable files, scripts and .dll's that get utilized at different times when using Ansys (not just at startup). This list also grows as new versions are re
Description Ansys application errors and issues can be causes by a number of different things. Knowing what those causes can be and what are the most common will help you identify and them out. Solution Possible Causes (most to least common) Solution Client settings/preferences are incorrect or corrupt Forced shutdown of application/OS. Installing
ERROR When trying to refresh a system in mechanical workbench, the following error occurs. Error Text cx_Freeze: Python error in main script Traceback (most recent call last):File"C:\ANSYSDev\tfs_agent\_work\258\s\bin\release\python\lib\site-packages\oc_Freeze\initscripts\_startup__.py', line 74, in runFile"C:\ANSYSDev\tfs_agentVwork\258\s\felyx\i
ERROR When installing a new license file you receive this error: Did not upload file - Error: A correctly-formatted VENDOR line was not found in the license file. Software & Version Ansys License Manager 2021 R2 *This example was taken from this version, but is not necessary limited to this version unless otherwise noted in the description. De
ERROR When attempting to launch Ansys Workbench, Mechanical or other products, it never opens. There is no launch/loading screen. It's like nothing happens when you click the shortcut. Do you get a loading screen? If you do get a launch or splash or loading screen, please wait 5min. This screen can often take several min if the software can't con
Description The Ansys Licensing Portal ( Licensing.ansys.com ) is an Ansys website where customers with an active subscription can now self-manage, all of their Ansys license entitlements (Leases and Perpetual). This includes viewing, activating, rehosting, and downloading FlexNet Licenses , and managing Shared Web Licensing and Elastic Web Licensin
ERROR The follow error occurs in the FlexNet Debug Log. <HH:MM:SS> (ansyslmd) Request denied: Client: <Username>@<computername> (<computername>) (11.19) newer than Vendor Daemon (11.16). (Version of vendor daemon is too old. (-83,21049) Software & Version Ansys License Manager 2020R2 *This example was taken from this v
Error When launching IcePack classic 2019R3 and earlier you receive an error and the application won't launch. Error Text: ANSYS LICENSE MANAGER ERROR:Capability ANSYS IcePak does not exist in the ANSYS licensing pool. None Of the products enabling this capability are available in the specified license path: Failed to get license ice-pak: ret
Description Compressing large data sets into one or multiple archive files (.7zip) before transferring them can make the process easier, faster and more reliable. The specific benefits are: Takes thousands of files and compresses them into only one or several archive files, allowing them to be handled more easily by file transfer tools. Reduces tr
2024R2 Update - Great News! As of release 2024R2, Shared Web Licensing supports nearly 100% of flagship applications in the Ansys portfolio. See the product support list below for details. Description Ansys Shared Web Licensing is a new feature Ansys released in 2023 R2 that eliminates the need for customers to install and run their own Ansys lic
Description The Ansys Customer Portal (https://support.ansys.com) contains software downloads along with other resources like official documentation, tutorials, a knowledge base and more. Registration Requirements Active TECS Subscription or Evaluation License Your Ansys Customer # Found in the email you received that included your license key at
Description When using Ansys software in a multi-user environment where you are sharing licenses with other users, or when you need borrow an Ansys license so you can use it while not connected to the license server, or when trying to determine why licenses can't checkout, understanding what license features/increments the client software is attemp
Description This information can also be found on Ansys Webpage: https://www.ansys.com/it-solutions/platform-support/previous-releases https://www.ansys.com/it-solutions/platform-support *sources for very old versions found here - https://en.wikipedia.org/wiki/Ansys Ansys Version Release Date 2024 R1 (24.1) February 6, 2024 2023 R2 (23.2) July 10, 2
Description Does Ansys crash or hang up? Does Ansys not open at all when you launch it? Are you getting unexpected error messages? These symptoms can be caused by your endpoint security / antivirus software actively blocking Ansys while it's running, having blocked certain files from being installed that are now preventing the software from runni
Description When enabled, the Idle Timeout feature will automatically check-in the licenses used by Ansys clients that are open by the user, but not actively being used by the user, so that these licenses can be made available to other users. When the original user returns to using the application, it will immediately attempt to checkout a new lice
Description Ansys Gateway powered by AWS enables engineers to run their entire Ansys prep, post and simulation workflow remotely in the cloud, where you can access to 1000's of cores on demand, without having to make a large up front investment in the hardware, complexity of configurating & managing a cluster and staffing the expertise to do so.
Description Ansys and other applications rely on Windows OS files and components and a healthy Windows OS is a pre-requisite to running Ansys successfully. A corrupt/unhealthy Windows installation can cause problems with Ansys software such as applications not opening properly, applications crashing/hanging, blue screens, problems with Windows upda
Description If you're troubleshooting a stubborn issue with Ansys software, verifying the following items will help rule out several possible causes we have observed. Solution Step #1 - Verify Installation Files Are Saved Locally Installing Ansys from a network drive or over a VPN can cause problems with the extraction process, and or accessibility
ERROR When solving in mechanical, the following or similar SIG$SEGV errors occur intermittently. ***ERROR *** CP = 64.031 TIME= 09:52:21 An unexpected error ( SIG$SEGV ) has occurred... ANSYS internal data has been corrupted. ANSYS is unable to recover and will terminate. Previously saved files are unaffected. Please send the data leading to t
Description Ansys has several resources to view the status and receive updates of cloud services updates, downtime, planned maintenance and also when software service packs are released. There are also a number of other news sources that you may find helpful. Solution Service Pack Release Notifications Major releases of Ansys software which include
ERROR When installing license file in the LMC > you receive the following error message: 2021/09/20 18:14:42: Error: This type of license file must be appended to the end of the existing license file that is already installed on your machine. However, the SERVER information in the new license file does not match the SERVER information in the exis
ERROR You attempt to launch Ansys Sherlock and nothing happens. No launch screen appears, and no processes in the task manager can be seen. Software & Version Ansys Sherlock 2024R2. Windows 10 64bit *This example was taken from this version but is not necessarily limited to this version. Description/Cause Windows WMI was not functioning proper
ERROR Mechanical is opened > Workbench is automatically launched first > it sits on the loading screen for several minutes > it finally opens with the timeout connection error seen in this article this article > you click ok > in the background (with no indication to you) it attempts to load mechanical for several minutes > you fi
Description Ansys has multiple utilities that can be run from the command line to gather useful information. This can sometimes be faster than using the different Ansys GUI tools to perform these same tasks. Solution You must have the Ansys Client or License server software installed on the machine for these commands to work. Run the commands i
ERROR In a workbench file in which the user has been working and has been successfully solving for months got the following error when trying to save it (not solve). An attempt to restore the project to it's original state has failed because some files and/or directories may be in use by another program, or disk is full or the files are read-only.
Description This article will show you how to locate your customer number that is assigned to your company when first purchasing Ansys software. This number will help when looking your account for support, purchases or other account management tasks. Solution FlexNet Licensing Ansys Licensing Portal Login to the Ansys Licensing Portal (licensing.a
ERROR User updated to Fluent 2024R2 and gets the following error in the Fluent console after launching it. ERROR: Error reported: failed to launch ‘C:\PROGRA~l\ANSYSI~1\v242\fluent\fluent24.2.0\win64\3ddp_node\fl_mpi2420.exe -mport 192.168.1.211:192.168.1.211:62808:0 node -mpiw msmpi -pic default’ on COMPUTERNAME Error (87) The parameter is incorrec
Description Every time an Ansys license gets installed from the License Management Center webpage, a backup of the previously installed license file gets saved to a backup folder (if no license was previously installed, no backup is made). There may be times when you need to restore from a backup. Solution These steps need to be performed on the A
Description This article will show you how to quickly identify what version your license server is running. Important If you are attempting to run client software versions prior to 2020R1, and don't have the same or newer version license manager, it will not work and you will need to upgrade the Ansys License Server software , in addition to havi
ERROR When installing the Ansys License Manager at the end of the installer you receive this error in the installation status logs. ...WARNING: Because no license files were found in the following location, the 'ANSYS, Inc. License Manager' service was not able to be started C:\Program Files\ANSYS Inc\Shared Files\Licensing\license_files The ANSYS L
Error You experience one or more of the following symptoms: Can't RDP to the license manager server running on Server 2019. License Manager server locks/hangs on a re-occurring / frequent basis. Ansys Licensing Tomcat (tomcat9.exe) service consumes an unusually high amount of memory. Description/Cause There is a known issue with the Tomcat servi
ERROR When opening Electronics Desktop, the following error occurred: Failover feature ‘ANSYS electronics_desktop‘ is not available. Request name electronics_desktop does not exist in the licensing pool.License server machine is down or not responding. See the system administrator about starting the license server system, or make sureyou’re referrin
ERROR After installing an Ansys permanent license on top of a temporary license, you are only able to use the product licenses found in the permanent license. Temporary License - A ny non permanent product license that expires after a set duration. Examples: Temporary (aka temp), Evaluation (aka eval), Tech Pool, Trial, Lease . The expiration d
ERROR When installing the Ansys License Manager at the end of the installer you receive this error in the detailed installation log. ...ERROR: Attempt to create the following configuration status file was unsuccessful. This could cause problems during future licensing configurations. C:\Program Files\ANSYS Inc\Shared Files\Licensing\ansysli_data\.co
ERROR User attempts to open Mechanical from Workbench and gets the following error. Script Error Line: 93317 Error: Overflow Code: 800a0006 Source: Microsoft JScript runtime error Script: dockingPane.Options.FloatingFramesOpacity = 255 * (g_UIOptions_PaneOpacity / 100.0); Software & Version Ansys Workbench and Mechanical Description/Cause Clie
ERROR When upgrading the client software to a newer version of Ansys, in this case 2024R2, you receive an error when launching mechanical from workbench stating the version of the vendor daemon is too old. Older versions of Ansys work without error. Version of vendor daemon is too old.Feature: cfd_preppostLicense path:1055@ServerName;FlexNet Licensi
About SimuTech Group As the largest Ansys Channel Partner in North America , we support and empower engineers all over the globe with our engineering expertise in simulation software and value-added services. SimuTech offers partnership and engineering expertise through Ansys simulation products, support, training, consulting, and physical testing s
ERROR When launching workbench, after the loading screen, you receive the following error message and are unable to see nCode tools in the toolbox. Failed to get license for ncodedesktop ANSYS LICENSE MANAGER ERROR - Failover feature 'Ansys nCode Level 1' is not available. Request name ancode_level1 does not exist in the licensing pool. No such feat
ERROR ANSYS Workbench This contains data that requires software modules that are not installed, see Details below. Please install the required modules and try again. Module required file type: EngineeringData Module required for file type: MechanicalFiletype Description/Cause The structures package is not installed or the installation may be missing
ERROR When attempting to install Ansys 2024R2 structures package after files have been unzipped > right-click setup.exe and select run as administrator > the Ansys loading screen flashes for a brief moment and then disappears. This can be repeated continuously, but the installation screen never loads. Software & Version Ansys 2024R2 Stru
ERROR Workbench is opened > it sits on the loading screen for several minutes > it finally opens with the timeout connection error seen in this article this article > you select ok and then the error below appears and no tools appear in the toolbox. Not connected to a server for Licensing Client Proxy actions. Software & Version Workbe
ERROR Strange behavior over several days was noticed. Several solutions stop in the middle of converging with either the error shown below or with a SEGV error. Ansys Workbench - Warning The solver did not generate valid result files so theNewton-Raphson Residuals for the incomplete solutioncannot be loaded. Software & Version Workbench 202
ERROR On a computer with 64+ cores, after launching Fluent 2024R2 using the default MPI or Microsoft MPI selection found under parallel tab in the Fluent launcher, you experience the following error in the console. Aborting: Failed to contrsuct hwtree for collect command. 0x8000ffff Software & Version Fluent 2024R2 *This example was taken from t
Description The infamous Windows Bluescreen can be tricky to troubleshoot. This article is a comprehensive list of how to troubleshoot this problem. Solution To reduce the downtime the user experiences, many of these steps should be performed simultaneously and during the same troubleshooting session. Initial Questions to Ask the User If this is
Description If Ansys software isn't opening or components are missing or not functioning as expected, running the Ansys "Product & CAD Configuration" tool can solve many common issues. Common Causes: Improper or corrupt Ansys installation files or settings. Solution From the Start Menu, browse to the folder ANSYS [Most Recent Version Installed]
Description Discovery is sold as either a floating network license or subscription (aka named user license). The network license utilizes the traditional Ansys License Manager. The subscription utilizes Ansys Shared Web Licensing. By default, the licensing mode is set to Floating and not subscription. In order to use your product, it must be set
This is a auto-generated Article of all your definitions within the glossary. Glossary This is a auto-generated Article of all your definitions within the glossary. All A C F H I L P R S T abandoned/ghost license a term used to describe a license that is reserved by a client that has disconnected and then reconnects under a new “client ID”, and as a
Description Used by millions around the world, students can take advantage of Ansys' free engineering software for homework, capstone projects and student competitions. Their renewable products can be downloaded at no cost by students across the globe and installed on any supported MS Windows 64-bit machine. Solution Ansys Student Versions | Free St
Description If you are experiencing an issue with Ansys software that is difficult to solve, the problem may be caused by a corrupt or missing pre-requisite software package that Ansys relies on in order to run properly. The most common ones we see are the MS Visual C++ Redistributable installations. Common Causes A hardware error corrupting thes
Description There are multiple components and dependencies that that the Ansys License Server relies on in order to function properly and start. If you are unable to start the Ansys license manager, the following steps may help. Solution Search our KB for your exact error message for targeted solutions Verify you have a license file installed The l
Description Ansys software has many licenses and features/increments (specific functionally within the software). These licenses can be checked out and used in many different ways and may have been customized based on a customer's specific scenario. If a user is unable to checkout an appropriate license, a license is unavailable or is experiencing
Description The Ansys License Manager communicates with clients using two different services & ports, three if your clients are using 2020R2 or prior. These must be manually allowed through the firewall on the License Server computer (and potentially on your network in higher IT security environments), before clients will be able to communicate
Description The Ansys License Manager communicates with clients over three different ports. We recommend leaving the ports required for FlexLM and the Ansys Licensing Interconnect set to their default values. However, there are occasions that can require you to change these default port settings. The most common scenario is having to set a static
ERROR When launching SpaceClaim the following error occurs: Request name disco_level1 does not exist in the licensing pool. No such feature exists. Feature: disco_level1 LicensePath: 1055@<LicesenManagerHostName> FlexNet Licensing Error: -5,147 Software & Version SpaceClaim 2023R1 *This documented instance of this error occurred in this ve
Error The user experiences a black screen CFX-Pre and CFX-Post when working over Windows remote desktop and or their local computer. Software & Version CFX-Pre and CFX-Post 2019R1, 2019R2 & 2023R1 *This example was taken from this version(s) but is not necessarily limited to this version(s). Description/Cause There is an issue in CFX-Pre and
Error When using Ansys 2021 R1 software, after inputting the license server name in the Server 1 field: you are unable to test or save the settings and the field indicating an issue is highlighted in red. Description/Cause There is a known issue with dashes and other special characters in license server names in version 2021 R1. This issue is resolv
Description The following solutions are quick tasks that reset basic Ansys settings back to default, resolving many many common issues that can arise during normal use. Solution Reset Your Ansys Profile Folder (2 min) Reset Your Ansys License Preferences (2 min) Run the Product & CAD Configuration Manager (5 min)
ERROR Your battery drains faster than expected when unplugged, or your computer gets very hot to the touch after being left in your computer bag. Software & Version Windows 10 and 11 Description/Cause By default, Microsoft enables moderns standby on all Windows computers. This allows the computer to wake up and install updates while your compute
ERROR When in workbench > you attempt to open a file with LS-Dyna > you receive the following error message and or LS-Dyna is not found within the Workbench toolbox. Unable to connect to or start local server. Software & Version Workbench 2021 R1 *This example was taken from this version, but is not necessary limited to this version unless
Error In Ansys Electronics Desktop, the user receives an error that a feature failed to be enabled, and that Pro, Premium, Enterprise licenses exist on the server. [error] Project:PhysicalPatch_improved_scinet, Design:HFSSDesign1 (DrivenModal), Failed to enable feature using current license settings. Note that Pro, Premium, Enterprise licenses are a
Error When opening MotorCAD, the user gets the following error. Error Text: Checking Motor-CAD License Unable to check out feature: motorcad ANSYS LICENSE MANGER ERROR ANSYSLI existed or could not read server port ansyscl.localcomputername.6344.32565 Description/Cause Other users can successfully connect to the license server successfully and there
Description Ansys Remote Solve Manager (RSM) is one of the most useful tools available in Ansys Workbench. The video series below provides step-by-step procedures in setting up the various components of RSM. Why use RSM? To submit Ansys jobs to a remote, typically more powerful computer for solution. To submit Ansys jobs on a local computer for an i
Description Removing and reinstalling your installed license file can resolve various issues, particularly if expired lease/evaluation licenses are installed. It can also resolve issues if the license file becomes corrupted. When an Ansys License Key (.txt) is successfully installed from the License Management Center, it creates an installed licen
Error ANSYS AEDT will not launch and does not indicate any error messages. After a reinstallation or product re-configuration, the following error can be seen. Error Text: Machine configuration failed ConfigureThisMachines.exe failed with error code 2: reg_ansysedt.exe: ERROR: Error 3221227010 reg_siwave.exe: ERROR: Error 3221227010 Description/Ca
ERROR When launching workbench > after the loading screen > you receive the following error message and are unable to use the software. Could not connect to any license server. The server is down or is not responsive ANSYSLI_SERVERS: 2325@YourLicenseServerName FLEXlm Servers: 1055@YourLicenseServerName Could not connect to license serv
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Description This article will walk through how to confirm whether or not the license you have installed on your license server supports the software version you are trying to use. Solution Step #1 - Identify your license expiration date(s) Method 1 - View your installed license file Open the Ansys License Management Center > click View FlextNet
ERROR When installing a license you receive the following error. Experienced on License Manager version 2021 R2. 2021/09/18 17:01:26: Did not upload file - Error: No valid INCREMENT lines were found in the license file Description/Cause This was caused because all product licenses in this file are temporary (leases/evaluations/tech pools) and have e
Description The Ansys License Management Center (LMC) is where you can see the status of the license server, install new licenses, view license server check-in/checkout logs and other management tasks. Solution Note The License Managment Center is only accessible from the local computer by default. If you want to make it accessible from other compu
Description Ansys License Manager communicates with the client software over ports 1055, 2325 and the dynamic vendor daemon port. If other software installed on the same computer as the License Manager is using any of these ports, it will conflict with Ansys and one or both applications will not start or work properly. We most often see this with o
ERROR When attempting to pan and tilt using the middle mouse button and ctrl + middle mouse button, the model moves very choppy or not at all. Zoom works fine. Your browser does not support HTML5 video. Software & Version This error occurred when using Discovery 2021 R2, but internal experience says it's occurred once or twice in other product
Description You must install your Ansys license key on your License Server before clients can check out licenses. If you need help obtaining your license file, click HERE. If your file was file emailed to you (vs downloaded from the Ansys License Portal), the format that will look similar to this: license-ansys_hybrid_07162019_055853_993_PM.txt
ERROR In Workbench, when attempting to bring a SolidWorks geometry file into using the Associative Plug-In, you receive the following error: Unable to attach geometry file c:\users\XXXX.sldasm. Unable to attach geometry. System.Exception: Unable to attach geometry file c:\users\XXXX.sldasm. Unable to attach geometry. Software & Version Workbench
Description For your client Ansys software to run, you must first, specify, connect to and obtain a license from an Ansys License Server. If a license server was not specified during the client software installation or if the license server was moved, you must set this information appropriately on the client machine. If you already have Ansys inst
Description There are several different ways you can give users/Ansys clients access to your private Ansys License Server and or set users up to work remotely. Understanding your options will help you make the best selection. These options are not mutually exclusive and multiple options may be used simultaneously. Solution Remote Access Type Des
Description Opening a command prompt normally or as an administrator is necessary to perform a number of troubleshooting steps and only takes a few seconds. Even if you have administrative privilege's on a computer, if the steps call for an administrative command prompt, you still need to perform this step in order for certain commands to be run su
ERROR When opening Workbench, the loading screen is shown for several minutes, resulting in this timeout connection error. No tools load in the toolbox. Ansys Workbench Connection timed out while reading data. The application has stopped waiting for a reply. The l icense server may be experiencing a high demand or a temporary outage. Try again later
Description The Ansys License Manager communicates with clients using two different services & ports, three if your clients are running 2020R2 or prior. If the client can't communicate with all three of these services, it won't work properly. This article will help you resolve all network communication issues. Don't Rely on the "Test" Button Th
Description The software installation isn't always the problem. The model/project, Ansys Version and OS/Computer can also be the cause of errors. The following steps, which should be performed sequentially, will help you rule out the model, Ansys version and computer as the cause. Solution Tip For the best results, we recommend performing these st
Description If your Ansys software won't open, opens but all features don't work, the Workbench toolbox menu doesn't load or you experience other licensing related errors, this article can help you resolve these and other licensing/checkout related issues. Rule Out Possible Causes Quick Solutions! Search for your exact error message to get targeted
Description Log4J, a level 10 security vulnerability, was discovered on December 9, 2021 and IT departments across the world have been scrambling to patch this severe vulnerability. So the question is, is Ansys software vulnerable? Solution Ansys is actively investigating this vulnerability for any impact it may have on their software product line
Description If you suspect your computer may have an issue with failing hardware (CPU, RAM, etc), you can run their pre-boot diagnostics utility which tests your hardware without using the operating system. Other manufacturers have similar utilities, but the specific instructions vary. Source - How to Run a Preboot Diagnostic Test on a Dell Comput
ERROR When installing Ansys, you receive the following error message. There was a problem installing the following prerequisites: MS ASP.NET Hosting Bundle 6.0.8 Would you like to re-try? If the installation of the prerequisites fails after multiple attempts, please attempt to install the prerequisites yourself, or contact your system administrator
Description When an Ansys FlexNet license is issued/activated, it's keyed to a specific computer based on a hardware ID unique to that computer. This prevents the license from being installed on other computers and protects against unauthorized use of the license. If you need to move the Ansys License Manager to a different machine, you must first
Description Before an Ansys FlexNet license can be activated or issued, the customer must identify several pieces of information that come from the computer that will be running the Ansys License Manager. Solution Windows Flagship Ansys Products Step #1 - Select Deployment Method & Host Computer Select your Deployment Method from the Options Abo
Description The License Disconnect Timeout period is duration after which the License server is hard coded to automatically check-in licenses from clients that have been disconnected, so that they can be used by other users. This value is a hard-coded into the License Manager and varies by Ansys version: 2023 R2 and Prior - 2hrs (effectively ~2-2.5
Description Ansys licenses can be hosted in one of three ways. The licensing server/model you choose is decided during the purchasing process with your account manager. This article will describe the different options available to you in order to help you select the best method or, identify which method(s) you are currently using. Ansys client sof
Description After purchasing an Ansys product, you will obtain your Ansys license keys in one of two ways, not both, depending on whether you have access to the Ansys Licensing Portal or not. Activating FlexNet licenses via the Licensing Portal is newer and is slowly becoming the most common way to obtain your license file, however, it is still not
Description Find and fix the cause of any problem with all Ansys products that use the Ansys License Manager with the simple process of elimination. Process of Elimination Want a Quick Solution? Search for your error message to get targeted solutions to specific errors message. We have over 100 documented errors and solutions. Most common cau
Description Ansys's comprehensive suite of software places demands on computing and hardware resources that can vary significantly from one model to another. This article provides some high-level recommendations for purchasing computing hardware for simulation purposes. Factors that will determine the optimal computing hardware for your needs includ
Description For situations where the client workstation will not be able to directly communicate with the license server for a period of time, such as a laptop going to a remote worksite, or someone working from home temporarily without a VPN and or potentially internet, Ansys allows a user to borrow licenses (when connected to the license server),
ERROR The on-screen graphics in Ansys software are slow, choppy or sluggish. In the video below, SpaceClaim is being used on the left and operating smoothly. On the right, Discovery is being used and considerable lag can be observed. Your browser does not support HTML5 video. Software & Version Ansys Discovery 2023R2 *This example was taken f
ERROR After upgrading from License Manager 2021R1 to 2024R2, the license Manager would not start and gave an invalid host id error. The MAC addresses detected by Ansys in the License Manager did not match all MAC addresses on the system, in particular, the one the license is issued to. Software & Version License Manager 2024R2, License Manager
Description Stopping, Starting or Restarting the License Manager service can be necessary when troubleshooting different problems with Ansys software and can be done in several ways. Solution Warning for Multi-User Environments When restarting the server in a multi-user environment, the checkout/reservation status of all licenses will be reset on th
Description Completely and thoroughly uninstalling and then reinstalling Ansys software can often solve various issues that can arise when using Ansys software. Common Causes Not right clicking the setup file and selecting “Run as Administrator” at the time of install Not first unzipping the installation files A corrupt install due to a hardware/sof
Description This article describes how to add, remove and change who has what access to your companies Ansys Licensing Portal. Related Articles HOW TO - Access the Ansys Licensing Portal INFO - Ansys Licensing Portal Overview Solution You must have license portal access with the role of Ansys Support Coordinator (ASC) or License Portal Administ
Description Installing Ansys successfully can be simple, if all the unique and detailed steps are followed and followed in the correct order. Our Installation guide is designed to make this detailed process as easy to follow as possible. Flagship Products Part #1 - License Server Setup Skip this step if… You should skip this step if your company
Description Ansys software is based on a tiered licensing structure. When you purchase Ansys software, you purchase a license for a specific product(s), called a product license. Each product license is made up of one or more license features, also referred to as increments. See the example below taken from the Ansys Product to License Feature Ma
Description Ansys software is based on a tiered licensing structure. When you purchase Ansys software, you purchase a license for a specific product(s), called a product license. Each product license is made up of one or more license features, also referred to as increments. See the example below taken from the Ansys Product to License Feature Mapp
Description There are multiple roles that an Ansys user can have on an account. This chart includes those roles and what permissions each of those roles have. Solution Role Description Perform license server changes Customer Portal Access Download Software Manage Elastic Licensing / Cloud Users / Cloud Usage Reports Add/Remove/Manage Subscriptio
Description Ansys diagnostic logs contain information that help SimuTech support troubleshoot technical Ansys issues. Logs can be gathered from the computer that the client software is installed on and from the computer that the license manager is installed on. Solution Tip Collecting both sets of logs gives us more information and leads to faster r
Description If a user is unable to checkout an appropriate license, a license is being listed as unavailable, if the user is experiencing graphical related issues with the interface, or for other application problems, a common resolution is to reset the Ansys Profile folder. This resets multiple application settings back to their default state. Thi
Description By default, Ansys FlexNet License Manager versions 2024R1 and later do not support Ansys Client Software versions 2020 R2 and prior, unless it is upgraded from License Manager version 2023R2 or prior. (The upgrade process is simply installing a new version on top of an old version.) The technical reason for this is that the Ansys Licens
ERROR When installing a new license key/file, you receive the following error. 2021/09/18 17:07:45: Did not upload file - Error: The hostid in the license file is not a valid hostid for this license server machine. Software & Version License Manager Version 2021 R2 *This documented instance of this error occurred in this version but is not nec
Overview Outdated drivers and windows updates can cause software compatibly issues with Ansys and other software. While video/GPU drivers are more often the cause for Ansys related issues than system drivers and windows updates, that is not always the case and we still recommend installing all updates below when troubleshooting an issue. There are s
Description Need to reserve a license so it's always available for a particular user, hostname, display name, group, etc.? Need to allow or deny the use of features to a user, group hostname, etc.? Need to set the idle timeout for participating Ansys products and more? While this take a little time and consideration depending on your use case, th
Description While not common, the Windows firewall on an Ansys client computer can block or prevent the program from running properly. This is most commonly seen when using fluent and it's related MPI's that utilize the network. This can also occur on machines utilizing RSM. This guide will help you identify if the Windows Firewall is causing the is
ERROR After installing 2024R2 and confirming there was no license server connectivity issues, the following error occurs when opening workbench. Could not connect to license server: 65527@127.0.0.1. System error: 0 "", Software & Version Workbench 2024R2 *This example was taken from this version but is not necessarily limited to this version. De
ERROR After installing Fluent for the first time, the following error was recieved Software & Version Fluent 2024R2 *This example was taken from this version but is not necessarily limited to this version. Description/Cause The installation was corrupt. This error occurred because the installation zip files were not extracted nor was the setup.
Description If your Ansys installation becomes corrupt, it can cause errors and problematic behavior that can be difficult to resolve. While the traditional uninstall / install process can sometimes fix these, the traditional uninstall process doesn't remove all temp files and registry settings which can sometimes be the underlying cause of the pro
Description In addition to not receiving important Security, Bug and Performance fixes, if Windows updates are not installing properly, this can indicate that your Windows Installation is not healthy. If your Windows installation is not healthy, this underlying problem can cause Ansys and other application not to function properly. The steps in thi
Description In order to open and use Ansys software, you must be able to connect and remain connected to your Ansys License server. This means the client computer needs to be on the same network as the license server. When working from home or out of the office, it's common to use a VPN in order to access the license server. There are also other op
Description If you're running out of space on your C-Drive or maybe prefer to install applications on a different drive, you may be wondering if it's possible and supported to install Ansys on a secondary hard drive. Solution Can I install Ansys on a secondary hard drive? Yes. There is no issues or concerns with installing Ansys on a secondary loca
ERROR In a workbench file in which the user has been working and has been successfully solving for months got the following error when trying to save it (not solve). Access to the path 'session_files' is denied System.IO.IOException: Access to the path 'session_files' is denied. Software & Version Workbench 2024R2 *This example was taken from t
Description In a multi-user environment where licenses are being shared, it can often be helpful to see who has different licenses checked out, both at the current moment and overtime. There are several ways you can do this. Solution View Active Sessions/Usage FlexNet Publisher License Server Via Client GUI - 2021 R2 & After Windows Search>
Description Reviewing the Windows Event logs (System and Application) can be a helpful tool to reveal clues of what may have caused an error or issue on your system. This article will show you how to quickly review the event logs for anything suspicious. Solution Video Instructions Your browser does not support HTML5 video. Written Instructions
ERROR When attempting to specify a license server in the Ansys Client License Settings app > You receive the following error message after clicking Save: Could not save server and port to file: C:\Program Files\ANSYS Inc\Shared Files/Licensing/ansyslmd.ini Software & Version Ansys Licensing Client Settings 2021 R2 *This example was taken from
ERROR When installing Ansys from a zip file download, you receive this error when trying to run Setup.exe. Windows cannot complete the extraction. The destination file could not be created. Software & Version This error was given using the Structures 2021 R2 package but can be given with any of the zip file packages. Description/Cause This erro
ERROR When opening Workbench 2021 R2 you receive connection errors and or the toolbox doesn't load correctly or hangs all together when launching. Connection timed out while reading data. The application has stopped waiting for a reply. The License server may be experiencing a high demand or a temporary outage. Try again later. Not connected to a s
ERROR When launching an Ansys application you receive the following error message and are unable to use the software. Could not connect to any license server. Please use ANSLIC_ADMIN to setup your license server. ANSYSLI_SERVERS: FLEXlm Servers: Description/Cause This error is often caused by not having any license server specified on the cl
ERROR When trying to refresh a system in mechanical workbench, the following error occurs. Update failed for the Setup component in skin assy. Spawningprocess C:\program Files\ANSYS Inc\v212\ACP\ACP.exeexceeded timeout Software & Version Workbench 2020R2 *This example was taken from this version but is not necessarily limited to this versi
ERROR Ansys Version 2023R1 was already installed. Same version was installed over the existing install, without uninstalling. The following error occurred mid-installation. Perl not found at:C:\Program Files\ANSYSInc\v231\CFX\tools\pearl-5.34.1\bin\MSWin32-x64-perlio\perl.exe C:\Program Files\ANSYSInc\v231\Shared\tools\pearl-5.34.1\bin\MSWin32-x64
ERROR When saving a file in Fluent (File > Write > case and data) you get the following error: Error: HDF Error occurred! at IO\Hdf\src\Hdfile_impl.hpp:151 during a call to HDF5 library function H5FcreateError Object: #f Warning: Error in writing compressed file “[file path].cas.gz”Done. Software & Version Fluent 2023R2 *This example was t
ERROR When launching Ansys Workbench, the following error occurs, and the application will not open. An unexpected error has occurred: Root element is missingSystem.Xml.XmlException: Root element is missing.at System.Xml.XmlTextReaderImpl.Throw(Exception e)at System.Xml.XmLTextReaderImpl.ParseDocumentContent()at System.Xml.XmLLoader.Load(XmlDocumen
Error Unable to return a borrowed license. Ansys borrow utility hangs or freezes. Description/Cause This type of scenario is most often caused by a communication error between the client and the server while borrowing or returning a license. The Ansys borrow feature is sensitive to slow or high latency connections such as VPN connections or poor W
Description Is an evaluation license (AKA - trial license, temp key, eval license, etc.) borrowable? Solution Evaluation licenses are not borrowable.
Description Booting to safe mode may be necessary in order to troubleshoot problems related to corrupt system files or broken windows updates. Because safe mode only starts and run core/mandatory services, it can be helpful by allowing you to rule out any non-standard drivers, services and applications as the cause. This article will tell you how to
Description Hyper-threading (HT) is a feature that is available, and comes enabled by default, on nearly all modern CPU's and computers. It can boost performance of specific applications by using one processor core to run more than one task at a time, but should you use HT with Ansys? Does Ansys software support hyper-threading? No. Ansys does n
Description What is Ansys strategy and future plans for Operating System and platform support? What Operating Systems and version is Ansys compatible with? What 3DConnexion SpaceMouse products does Ansys support ? (an advanced computer mouse designed for CAD) What internet browsers and versions does Ansys support? What 3rd Party CAD Products Integra
Description Opening PowerShell is required to run certain troubleshooting commands. Solution
ERROR When opening a project in fluent, you receive the following error in the fluent console. Connected License Server List: <Shared_Web_License_Server> Unexpected license problem; exiting. Hit Return to exit. Note: The following error occurred in the License Manager Debug log simultaneously. ERROR - Version of vendor daemon is too old. (-8
Description Historically, Ansys has relied on three main processes and ports to communicate with clients - FlexLM, Vendor Daemon and Licensing Interconnect. Starting in version 2021 R1, Ansys simplified how the license server communicates with client software versions 2021 R1 and later and now relies on only two of these processes/ports (with one ra
By installation of the product license file, you acknowledge use of the product is governed by the existing software license agreement. Any additional terms and conditions, including warranties, contained in any purchase order are null and void. If a new license key has been supplied for the Program, or if the Program is being converted or upgraded
Description Generally, setting up a VPN to the network where your Ansys license server is installed, is the most common way for Ansys clients to access the license server so they can work remotely. There are also several other solutions you can read about Choosing a Remote Connection Type. However, there are three common scenarios where you may ne
Description When a computer can communicate with the license server via IP address, but not via hostname/computer name, this indicates a problem with your DNS server configuration (we commonly see VPN's having this problem). Resolving the root cause of problematic DNS resolution is the recommended solution, as other users are likely equally affected
Description This article will show you how to confirm that the Ansys License Manager is up and running. Solution These steps must be performed on the License Manager computer. Open the Ansys License Management Center (Must Right Click & Run as Administrator) Select View Status/Start/Stop License Manager > Verify all listed services are runn
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