[mpich-discuss] User Credential Problem on Windows

[Natarajan, Senthil]

Hi,
I have MPICH2 1.0.8 installed in Windows XP.

I registered user credential like this

mpiexec -register -user 1

And the job is running fine, If I try like this
mpiexec -user 1 -n 6 -noprompt helloworld.exe

When try to submit this job using condor to run on Windows XP where I registered user credential (user 1) using the user who runs condor job on Windows XP.

Jobs are failing and I am getting the following error

"Credentials required to connect to the process manager on machine.name.edu.  Please use "mpiexec -register" or "mpiexec -logon ..." to provide user credentials.
Aborting: Unable to connect to machine.name.edu"

When I try using this
mpiexec -pwdfile auth.txt -n 6 -noprompt helloworld.exe

By having username and password in the auth.txt file and sending this file along the job using condor, then the job runs fine.

Obviously we can't share this username/password file with all the users who needs to submit MPI jobs using condor.

So I was wondering is there any way to run the MPI jobs without asking user credential or is there any (Special) way  to register user credential so that jobs running using condor will recognize this and won't fail with the above error message.

Thanks,
Senthil



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