my WSUS suddently fails to synch with MS update server, I could not run manually neither. Below is error message, any help is appreciated. I even restart the server but no help.
TypeInitializationException: The type initializer for 'Microsoft.UpdateServices.ServerSyncWebServices.ServerSync.ServerSyncProxy' threw an exception. ---> System.Net.WebException: Unable to connect to the remote server
at Microsoft.UpdateServices.Internal.ClassFactory.CreateInstance(Type type, Object[] args)
at Microsoft.UpdateServices.ServerSync.ServerSyncLib.GetWebServiceProxyInternal(UpdateServerConfiguration serverConfig, WebServiceCommunicationHelper webServiceHelper, Boolean useCompressionProxy)
at Microsoft.UpdateServices.ServerSync.ServerSyncLib.GetWebServiceCompressionProxy(UpdateServerConfiguration serverConfig, WebServiceCommunicationHelper webServiceHelper)
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.RetrieveSubscriptionData()
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.ExecuteSyncProtocol(Boolean allowRedirect)
Thang Mo