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When you run Subsystem for UNIX-based Applications (SUA) cron jobs on a Microsoft Windows Server 2003 R2-based computer, 100 percent of the CPU resources are used. Additionally, SUA stops responding (hangs).
This problem may occur when you run SUA cron jobs because a handles leak may occur.
To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
889100 How to obtain the latest service pack for Windows Server 2003
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Server 2003 Service Pack 2.