Article ID: 911951 - Last Review: November 27, 2007 - Revision: 1.8

System time freezes in standby mode or hibernate mode in Windows XP

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SYMPTOMS

When your portable computer is running Microsoft Windows XP and IBM Tivoli Endpoint client goes on standby or hibernates to save power, and you pull the network cable at the same time, the system time freezes until the computer is reactivated. If you pull the network cable after the computer is fully on standby or in hiberation, the problem does not occur.

When you close the computer's lid and open it again after several minutes, the wrong system time is written to CMOS. This situation only occurs when IBM Tivoli Endpoint is running and the network adapter is active. This does not occur when either the network adapter or IBM Tivoli Endpoint is disabled when you close the portable computer lid. This may occur on a Panasonic Toughbook portable computer or on a Fujitsu Siemens Computers (FSC) Lifebook portable computer.

Note This behavior may also occur on a Windows Server 2003-based computer.

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CAUSE

This behavior occurs because one of the network adapter drivers does not respond quickly to a power I/O request packet (IRP) during a suspend query. IBM Tivoli Endpoint logs off the gateway when it goes into suspend.

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WORKAROUND

To work around this behavior, wait at least ten seconds to pull the network cable after your computer goes on standby or hibernates.

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MORE INFORMATION

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

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REFERENCES

For more information about system wake-up events, visit the following Microsoft Web site:

http://msdn2.microsoft.com/en-us/library/aa373235.aspx (http://msdn2.microsoft.com/en-us/library/aa373235.aspx)

For more information about how to use the Windows XP Windows Time Service in a managed environment, visit the following Microsoft Web site:

http://technet.microsoft.com/en-us/library/bb490605.aspx (http://technet.microsoft.com/en-us/library/bb490605.aspx)

For a Windows Time service technical reference, visit the following Microsoft Web site:

http://technet2.microsoft.com/WindowsServer/en/Library/a0fcd250-e5f7-41b3-b0e8-240f8236e2101033.mspx?mfr=true (http://technet2.microsoft.com/WindowsServer/en/Library/a0fcd250-e5f7-41b3-b0e8-240f8236e2101033.mspx?mfr=true)

For more information about how to turn on debug logging in the Windows Time Service, click the following article number to view the article in the Microsoft Knowledge Base:

816043 (http://support.microsoft.com/kb/816043/ ) How to turn on debug logging in the Windows Time Service

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