Wsus TypeInitializationException: The type initializer for 'Microsoft.UpdateServices.ServerSyncWebServices.ServerSync.ServerSyncProxy' threw an exception. ---> System.Net.WebException: The request failed with HTTP status 404: Not Found

Wsus erro na sincronização TypeInitializationException: The type initializer for 'Microsoft.UpdateServices.ServerSyncWebServices.ServerSync.ServerSyncProxy' threw an exception. ---> System.Net.WebException: The request failed with HTTP status 404: Not Found
 instalar o fixed

http://support.microsoft.com/kb/896861

a seguir

abrir a powershell

wsusutil configuressl
restart wsusservice
restart bits
iisreset