6.6. Connection to solver cannot be established in Refine stage

In the Refine stage, Discovery issues this error message:

A connection to the solver could not be established. The Refine stage is unable to solve.

This error message may indicate a .NET 8 runtime installation problem. Follow these steps to verify whether this is the problem and correct it:

  1. Open a terminal in the directory: <ansys-install-location>\<version-dir>\artemis\bin\Win64

    For example:

    C:\Program Files\ANSYS Inc\v242\artemis\bin\Win64

  2. Issue this command to run the artemis server:

    Ansys.Artemis.Server.exe

  3. Review the command output. If the command output includes a message like the following, the .NET 8 runtime installation problem has been identified:

    It was not possible to find any compatible framework version. The framework 'Microsoft.NETCore.App', version '8.x.x' (x64) was not found.

  4. Install the missing framework cited in the message.

    For details, see https://dotnet.microsoft.com/en-us/download/dotnet/8.0.

  5. Issue this command again to verify the framework (runtime) installation:

    Ansys.Artemis.Server.exe

  6. Review the command output. If the command output no longer includes a message like the message shown in step 3, the problem has been corrected.

  7. Press Ctrl+C to close the server.