Issues with High CPU Utilization

Updated: July 19, 2011

Applies To: Windows Server 2003 with SP2, Windows Server 2008 R2, Windows Server 2008 R2 with SP1, Windows Server Update Services, Windows Small Business Server 2011 Standard

Client computers may experience very high (approaching 100 percent) CPU utilization under the following circumstances.

  • This problem occurs if you do not decline expired definition updates or expired malicious software (also known as malware) updates on the WSUS server. There is an update for this issue. For more information, see article 938947 in the Microsoft Knowledge Base.

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