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ERROR - WinSock: Host not Found -96,7:11001
Authored by Aaron Schedlin
May 28th, 2025
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KB3289520
ERROR
This error indicates that the FlexLM process isn't able to resolve the license server host name via DNS.
1055@LicenseServerHostName
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lmutil - Copyright (c) 1989-2023 Flexera. All Rights Reserved
Flexible License Manager status on Day Date Time
[Detecting lmgrd processes...]
License server status: 1055@LicenseServerHostName
License file(s) on LicenseServerHostName: 1055@IP of Hostname
lmgrd is not running: License server machine is down or not responding. (-96,7:11001 "WinSock: Host not found (HOST_NOT_FOUND)") Software & Version
Ansys Licensing Settings 2025R1
*This example was taken from this version but is not necessarily limited to this version.
Description/Cause
Either the hostname of the license server is misspelled, or the client PC cannot resolve the name of the license server.
*The cause(s)/solution(s) we identified in this documented instance may not be the only cause(s)/solution(s) for this error.
Solution
Solution 2 - Coordinate with IT to fix DNS
Coordinate with your IT department to fix DNS. As there are multiple causes, your IT department would need to investigate further. Verify if you can resolve the hostname and not just the FQDN unless the FQDN is listed as the hostname in the license file.
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