Group Policy Results Wizard and XP SP2

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From: Greg M (greg_at_vid-h2o.org)
Date: 09/29/04 

Date: 29 Sep 2004 16:32:17 -0700

I'm in the process of testing all of our applications with Windows XP
SP2 (firewall active). Most normal apps run without any trouble but
I've come across some issues trying to do normal remote
administration. We use the Group Policy Results Wizard often to
troubleshoot and test new GPO settings before we roll them out. When
I run the wizard on an admin workstation connecting to a remote
machine that has XP SP2 with the firewall turned on, the wizard gets
an RPC error ("The RPC server is unavailable") after about 30 seconds
trying to connect. I turned on the exception for file and print
sharing on the remote machine and that didn't help. I looked at the
pfirewall.log file on the remote machine to determine what ports were
being used. TCP port 135 was being dropped from the admin machine to
the test machine so I added an exception to the test machine for tcp
port 135. Now instead of it taking about 30 seconds for the
connection to fail, it takes less than 1 second, but it still fails
with the above error message. I do not see any other ports being
blocked in the log. If I disable the firewall, I can connect without
any problems. Any suggestions would be appreciated.

Thanks Greg.

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