Event ID - 8

Event Id8
Sourcewinmgmt
DescriptionFailed to create a backup repository for use when recovering a corrupt repository. Check there is enough disk space.
Event InformationThis information from some newsgroups may help you:
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This behavior can occur because of a problem in the WMI Performance Library dredger. In certain situations, the dredger incorrectly determines that a library is invalid even though the counter works correctly. It might be occurs if the performance libraries of the following services are not registered correctly:
1. MSSINDEX
2. MSSGTHRSVC
3. MSSGatherer
4. MSSEARCH.
When the Live Communications Server 2003 Setup program is complete, the AutoDiscovery/AutoPurge (ADAP) process starts. If these services are not correctly registered, you receive the warning events that are described in the "Symptoms" section of this article. These warning events occur every time the ADAP process runs. Problem may occur if the Exwmi.dll file is no longer registered but the root/cimv2/applications/exchange Windows Management Interface (WMI) namespace still exists on the server.
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