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TMG-2010 shuts the complete Internet Access of LAN

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TMG-2010 shuts the complete Internet Access of LAN - 7.Jun.2011 4:20:36 AM   
klsingh

 

Posts: 1
Joined: 7.Jun.2011
Status: offline
Hi,

I am running TMG-2010 on windows server 2008 ,with IIS installed.The problem is that when loads of Unidentified IP Traffic is detected by TMG it freezes and shuts the complete Internet Access of entire LAN network.Some times it says "A connection was gracefully closed in an orderly shutdown process with a three-way FIN-initiated handshake " .

I am unable to figure out the problem,under monitoring the status says "SYNCED" and Malware Inspection and Network Inspection are up-to-date but the problem is persistent and I have to reboot the TMG Sever several times in-order to get internet connection restored for the client machines in LAN.

The event viewer gives me the following error details below
C:\urlcache\Dir1.cdat
Some errors were encountered when Forefront TMG restored specific data cache files. Forefront TMG will now attempt to recover these files. These errors may have occurred because there was not enough time to complete all necessary shutdown operations, when Forefront TMG was previously shut down. To avoid this in future, you can increase the value of the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\WaitToKillServiceTimeout registry key.
503.7472.7.0.9027.400
5C060000

I am unable to find HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\WaitToKillServiceTimeout in my server registry.

No Anti Virus is installed on the TMG Server

Let me know where to find it and how/what to change.
Post #: 1
RE: TMG-2010 shuts the complete Internet Access of LAN - 7.Jun.2011 7:13:28 PM   
stevenrix

 

Posts: 101
Joined: 16.Feb.2011
Status: offline
I am not sure what the problem is, it may be a DNS problem (check if your DNS configuration is correct) or it could be a NAT device placed in front of your internal configuration. Clear also your cache but i doubt it will take care of the problem.

(in reply to klsingh)
Post #: 2

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