If you create a client proxy installation for a…
If you create a client proxy installation for a COM+ application, you can specify the remote server name (RSN) on the command line to msiexec:
Msiexec /I myapp.msi RemoteServerName=XYZ > >
This came from Q246057 BUG: RSN Cannot Be Changed in COM+ for an Application Proxy although the bug has nothing really to do with it.