8.9. Troubleshooting WSUS

When WSUS begins having problems, there are only a few places to look for error messages that illuminate those problems' source. As the WUA client is little more than a mechanism for scanning client systems and installing software code, it is a relatively simple set of code. This makes it easy to troubleshoot. Luckily, much can be gleaned by digging into the error messages you see when problems occur.

8.9.1. Event Logs and Log Files

There are five locations to look when problems occur either on a client or on the WSUS server itself: the Windows Event log, two log files on the WSUS server itself, one log file on each client, and the Windows Update Control Panel. These five locations provide much of the debugging support ...

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