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When you use the wake-on-LAN (WOL) feature in Microsoft System Center Configuration Manager 2007 Service Pack 1 to wake clients at a certain time, the clients wake one hour earlier than expected. This problem occurs if the Configuration Manager site server is on daylight saving time (DST).
Configuration Manager 2007 Service Pack 1 uses inventory information that is collected from the clients to calculate the correct wake-up time. However, the calculation that is applied on the site server does not consider the DST offset. Therefore, the site server sends client wake-up packets one hour earlier than expected.
971348 List of hotfixes and updates that are contained in System Center Configuration Manager 2007 Service Pack 2
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
To apply this hotfix, you must have System Center Configuration Manager 2007 Service Pack 1 installed on the computer.
You do not have to restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
System Center Configuration Manager 2007 Service Pack 1
Note This file information applies to the x86 platform, to the x64 platform, to ICP1, and to ICP2.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates