2003 SP1 Can not Connect after 24 hours

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Guest

After upgrading from 2003 to 2003 SP1 my VPN server will allow connections
for about 24 hours then stop. Anyone who is currently connected does not
loose connections but no one else can connect. Stoping and restarting the
VPN service fixes the problem for another 24 hours. This was not an issue
prior to SP1 install.

Any assistance would be greatly appreciated.
 
These search results may help,

VPN connection issues after Windows 2003 SP1 Situation: The client has been experiencing some VPN connection issues after they installed Windows Server 2003 SP1. The main office has T1 line. ...
www.howtonetworking.com/casestudy/2003sp1&mtu.htm


connectivity issues after ms05-019 and 2003 sp1 Connectivity issues after the installation of MS05-019 or Server 2003 SP1 ... update MS05-019 or Microsoft Windows Server 2003 Service Pack 1 (SP1). ...
www.howtonetworking.com/Troubleshooting/2003sp1a.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
After upgrading from 2003 to 2003 SP1 my VPN server will allow connections
for about 24 hours then stop. Anyone who is currently connected does not
loose connections but no one else can connect. Stoping and restarting the
VPN service fixes the problem for another 24 hours. This was not an issue
prior to SP1 install.

Any assistance would be greatly appreciated.
 
Robert thanks for this. I did see this sugestion before and by the advice of
that post changed the MTU value to 1272 (the highest value that woudn't
fragment) and still had the problem. I will see if I drop this down to 1000
(as this one suggested) or lower will help.

Will keep you posted either way.
 
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