Here are all the Requirements to run MPP-DYNA under MSMPI:

Compute Cluster Hardware Requirements:
x64 architecture computer with Intel EM64T or AMD64 processor;

Compute Cluster Software Requirements:
Microsoft® Windows® Compute Cluster Server 2003 for Operating system;
Active Directory;
Compute Cluster Pack;

Compute Cluster Network Requirements:
Public,Private or MPI network is needed with supported network cards.

For the detail, please download CcpAdministrator.chm and read Compute Cluster 
Administrator's Guide: Hardware, System and Network Requirements.

ftp://user:computer@ftp.lstc.com/mpp-dyna/ls971/7600.398/winx64/CcpAdministrator.chm