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 necessarily limited to this version.

Description/Cause

Possible Causes

• You're attempting to install a license file that was issued to a different computer.
• The Host ID of your computer has changed.
  
  Note: In rare occasions, if you're using a cloud VM as your license server and your license was issued to a mac address ID type, your mac address may have changed after a computer restart.  If this is the case, please have your IT department assign a static mac address to your computer before having the license re-issued/changed.
   
• You attempted to modify the Host ID in your license file manually.  This will not work.
• Due to a bug in the software, in rare occasions the License Manager does not detect all mac addresses properly. See - ERROR - License Manager not detecting mac addresses properly. 

Solution

1. Open your license text file(s) in notepad and make note of your Host ID or Host ID's if you have multiple license files.
   
    
2. Open the Ansys License Management Center > select Get System Host ID Information.
   
    
3. Does the Host ID(s) in your license file match one of the Host ID's listed here?
   1. NO: Your license file was issued to a different computer.  
      • Install the license on the computer it was issued to.
      • or Change/Rehost Your License File
   2. YES:
      • Follow HOW TO - Reset Your Ansys License File
      • If you attempted to modify your Host ID, this will not work, and you must and you must Change/Rehost Your License File‍