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Strange VPN Domain /problem

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sjctechno

Programmer
Oct 14, 2002
27
US
I have a strange one - I configured a Windows 2003 SBS server in my office (for a client), and connected a number of XP/Pro PCs to it, all on a single lan/subnet - no problem. Installed the server and some PCs at one office - still no problem. Then went to install other PCs at 2nd office - connected to first by VPN (changed these PCs to be on a different subnet - but still using the same DNS server, which is the 2K3 server/DC) - suddenly these PCs can not find the Domain controller !

The VPN is an existing Symantec firewall/VPN 200R appliance (at both ends).

The strange thing is, that after the PCs come up with locally cached stuff - I can Ping the Domain controller, and any other machine on the remote network, no problem, but if I try to logoff/on, or do a GPUPDATE command, I get 1054 - no Domain controller messages in my event log. Any Ideas??
 
I think I have narrowwed the problem down to the Symantec Firewall/VPN boxes not properly passing large ICMP msgs, which Msoft uses in their new logon process. Does anybody know how to fix this?

Thanks,
Steve Cohn


Steven Cohn
 
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