Developer Reference

User Authorization

The Intel® MPI Library supports several authentication methods under Windows* OS:

I_MPI_AUTH_METHOD

Select a user authorization method.
Syntax
I_MPI_AUTH_METHOD=
<method>
Arguments
<method>
Define the authorization method.
password
Use the password-based authorization. This is the default value.
delegate
Use the domain-based authorization with delegation ability.
impersonate
Use the limited domain-based authorization. You will not be able to open files on remote machines or access mapped network drives.
Description
Set this environment variable to select a desired authorization method. If this environment variable is not defined,
mpiexec
uses the password-based authorization method by default. Alternatively, you can change the default behavior by using the
-delegate
or
-impersonate
options.
For more details, see the Developer Guide, section User Authorization.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.