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ERROR - Solve fails to run while on VPN
Authored by Aaron Schedlin
March 31st, 2025
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KB3188594
ERROR
You attempt to run a solve with “Distributed” checked and the solve fails. If you uncheck “Distributed” the solve runs without error.
Software & Version
Mechanical 2020R1
*This example was taken from this version but is not necessarily limited to this version.
Description/Cause
In this case, the Intel MPI is sensitive to VPN settings.
*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 1 - Switch to MS MPI
- Install the MS MPI and use that instead of Intel MPI.
Solution 2 - Upgrade Ansys to 2022R1 or newer
- The issue was resolved in Mechanical 2022R1 and newer versions.
Check your licensing before upgrading versions
Your organization may have a permanent license with expired TECs which may limit you on upgrading versions depending on when TECs expired.
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