ON 20090327@10:20:29 AM at page: On a web page you were interested in at: http://techref.massmind.org/techref/os/win/2003sbs.htm#39899.4105439815 James Newton[JMN-EFP-786] published post 39899.4105439815 WSUS server shows client has not contacted update service in several days. Client is running AVG Firewall. Despite the fact that all the recommended setup processes for AVG have been run, triggering an update (by clicking Start / Run, entering CMD, enter then typing wuauclt.exe /detectnowsetting) while watching the "Blocked Packets" counter in AVG Firewall shows that AVG is blocking the update system. Setting the AVG firewall to "Firewall disabled" allows the update connection to progress and updates are detected and downloaded. Configuring AVG Firewall is confusing. Here are step by step instructions for AVG 8.5:
  1. In AVG, pull down the Tools menu and select Firewall settings. If you like, you can check in "Logs" with "Show Details" to see if you can see port 8530 being blocked for ...SVCHOST.EXE.
  2. under Profiles, select the profile AVG is current set to use. (see the main AVG Firewall page in the lower left corner) If the client has a WSUS server, this is most likely "Computer in domain"
  3. In "Defined networks" click Add Network, change the name to "Server", mark it as Safe, and enter the IP address of the WSUS server. It doesn't appear that there is any way to use a FQDN.
  4. In Defined services, click Add service, change the name to WSUS and click the Add button; the Protocol is TCP, the Direction is Out, the Local ports are "0-65535" and the Remote ports are "8530"
  5. Under Applications / Various System Services, ensure Application action is on Advanced settings, then click Add, Change the Detail action to Allow for safe, uncheck Log rule occurrences. In Defined services, sroll down and check the WSUS services. You can click the Expand / Collapse service so that only the WSUS service is shown.
  6. At this point, you should be able to click Apply or just Ok, and it should update the settings. This doesn't appear to reliably happen. Try returning to General in the upper left corner before clicking Apply.
    NOTE: Verify that AVG says the settings have changed and will be reloaded. If you don't see that message, your changes didn't have effect.
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