292 Part V: Security and Troubleshooting
the only time that they even begin to learn about WMI is when a critical application suddenly
quits. Unfortunately, this is the wrong time to begin to learn about WMI and, more important,
how to troubleshoot WMI.
Spotting Common Sources of Errors
What are some of the more common types of WMI errors? In general, problems with WMI are
in one of the following four categories:
■ WMI database corruption
■ Distributed Component Object Model (DCOM) security issues
■ Provider security issues
■ Firewall issues
Basically, that’s it. The preceding comprise 90 percent of all the WMI support calls that
Microsoft Product Support Services (P
SS) support professionals receive. The other 10 percent
are truly strang ...