WSUS: SelfUpdate Tree is not working
SYMPTOMS
You see the following error on WSUSAdmin Page;
Check your server configuration
=====================
One or more Update Service components could not be contacted. Check your server status and ensure that the Windows Server Update Service is running.
Non-running services: SelfUpdate
And, the following event is logged;
Event Type: Error
Event Source: Windows Server Update Services
Event Category: Update Services Service
Event ID: 506
User: N/A
Description:
The SelfUpdate Tree is not working. Clients may not be able to update to the latest WUA client software and communicate with the Windows Server Update Services (WSUS) Server.
RESOLUTION
Check Windows Server Update Services (WSUS): SelfUpdate Tree is not working on http://msmvps.com/athif/articles/67954.aspx