The Windows Server 2003 Application event log contains:
Event Type: Warning
Event Source: Automatic Updates
Event Category: (1)
Event ID: 16
Description: The description for Event ID (16) in Source (Automatic Updates) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details.
A bug Windows Server 2003 prevents an Automatic Updates entry in the Application event log from being displayed. The Event Viewer displays Event ID : 16 instead.