Found It. Cisco VPN Stateful firewall

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From: Paul Andrejzchick (anonymous_at_discussions.microsoft.com)
Date: 04/29/04 

Date: Thu, 29 Apr 2004 05:36:03 -0700

Thanks Bob and Lanwench, Cisco VPN client has a firewall built in. I had to disable the stateful firewall (right click icon in system tray and uncheck Stateful Firewall (Always On)) and everything worked fine.
     
     ----- Paul Andrejzchick wrote: -----
     
     I have 2 wired PCs on a wired home network going thru a D-
     Link router. Both are running XP Pro. The Compaq (K6-2
     processor) can access the admin shares on the homebuilt pc
     (AMD 2000+) and can ping to router and the other box with
     no problem. The homebuilt cannot see the Compaq and pings
     from the homebuilt and the router to the Compaq are
     unsuccessful (time out). Both computers can access the
     internet with no problems. The only major difference
     between the 2 PC configurations are the Compaq has Cisco
     VPN client 4.0.2b loaded. Any help would be appreciated.
     

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