This mailing list is not for user questions. It's for the standardization body. Please direct your question to [email protected]<mailto:[email protected]>. On Nov 9, 2014, at 3:29 AM, Chafik sanaa <[email protected]<mailto:[email protected]>> wrote: I am trying to run MPICH2 from the Windows 7 environment but I can't get the wmpiexec.exe working and get the following error message: Error: No smpd passphrase specified through the registry or .smpd file, exiting.i have already registered user account in mpiexec.exe _______________________________________________ mpi-forum mailing list [email protected]<mailto:[email protected]> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi-forum