User followed all of the DDS setup steps, but the following message appears while testing MPICH:

c:mpirun -np 2 "C:Program FilesANSYS IncV81ANSYSbinplatform mpitestmpich.exe"

Exiting with status [2]
Process [0] exited with status [-1]
Process [1] exited with status [-1]

What is causing this error?

The customer also had Fluent installed on the machine. Fluent installs MPICH as well and was causing the conflict. In this case, the customer removed the Fluent directory from the PATH to resolve the problem. Most likely, reordering the PATH so that the ANSYS directory comes first would also solve the problem.

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