Forefront Security for SharePoint cannot initiate the Realtime scan jobs at startup, and error codes "0x80030020" and "0x80030021" are generated

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Symptoms
In Microsoft Forefront Security for SharePoint, the Realtime scan jobs may not be loaded as expected. Additionally, the following errors are logged in the Programlog.txt file or the HRLog.txt file:
0x80030020 (STG_E_SHAREVIOLATION)
0x80030021 (STG_E_LOCKVIOLATION)
Cause
Third-party performance monitoring software loads the FSCPerfMonitor.dll file to gain access to the Forefront Security for SharePoint performance counters. Under certain circumstances, an exception may occur in the FSCPerfMonitor.dll process. This exception causes the third-party performance monitoring software to leave a handle open to the Scanjobs.fdb file. When Forefront Security for SharePoint later tries to read from the Scanjobs.fdb file, the Scanjobs.fdb file has a lock on itself. Therefore, Forefront Security for SharePoint fails to start the Realtime scan jobs.
Resolution
To resolve this problem, install Microsoft Forefront Security for SharePoint Service Pack 3 (SP3). For more information, click the following article number to view the article in the Microsoft Knowledge Base:
967995 Description of Forefront Security for SharePoint with Service Pack 3
FSSP SP3 AntigenPMDLL.DLL FSSP Forefront for SharePoint RealTime scan connect 0x80030020 0x80030021
Properties

Article ID: 968156 - Last Review: 01/15/2015 10:59:29 - Revision: 2.0

Microsoft Forefront Security for SharePoint, Microsoft Forefront Security for SharePoint Service Pack 1, Microsoft Forefront Security for SharePoint Service Pack 2

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