1. When an http error occurs and wsus cannot connect to the upstream
1. It is necessary to install the required patches in Windows Update, and the new server system patches are missing.
2. The wsus connection console reports an error. Only by resetting the server connection can the management console be opened again, but the management console will still report an error after a few minutes.
2.
(Remove WSUS's program cache test from the following path: C:\Documents and Settings\<user profile>
\application data\microsoft\mmc <user profile> is the profile of the currently logged in user.
Check the website under WSUS Administration, make sure all the following web applications
ASP.NET Impersonation is disabled.
Open the IIS management console, open IIS/WSUS Web Page/Authentication/"ASP.NET Impersonation" in turn,
Click Disable in the actions on the right. )
Open a command prompt, change the path to c:\program files\Update Services\Tools and run the command:
wsusutil checkhealth, and see what errors are reported in the resulting log.
-
Open IIS manager, click Application Pools.
-
Select WsusPool, and click Advanced Settings under Operation on the right.
-
Change the default value of Private Memory Limit (KB) to 0.
-
Then run iisreset.
-
Restart the WSUS services.
-
It is caused by modifying the service port number under IIS, delete the failed connection, and reconnect the local IP and port number.