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A Task That Is Scheduled with the AT Command May Stop After 72 HoursArticle ID: 304288 - View products that this article applies to. This article was previously published under Q304288 IMPORTANT: This article contains information about modifying the registry. Before you
modify the registry, make sure to back it up and make sure that you understand how to restore
the registry if a problem occurs. For information about how to back up, restore, and edit the
registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986
(http://support.microsoft.com/kb/256986/EN-US/
)
Description of the Microsoft Windows Registry
On This PageSYMPTOMS
Jobs that you schedule by using the at command are converted to Task Scheduler tasks. By default, these tasks are set to stop after 72 hours.
CAUSE
Jobs that you schedule with the at command do not have a maximum run time. The behavior of stopping after 72 hours was introduced with Windows 2000. A new registry value has been introduced to override this default value.
RESOLUTIONWindows 2000To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:260910
The English version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/260910/EN-US/
)
How to Obtain the Latest Windows 2000 Service Pack
Date Time Version Size File name ---------------------------------------------------- 03-Oct-2001 14:41 4.71.2195.1 219,408 Mstask.dll 03-Oct-2001 14:40 4.71.2195.1 118,544 Mstask.exe Using the New Registry ValueWARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
Windows XPTo resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:322389
(http://support.microsoft.com/kb/322389/EN-US/
)
How to Obtain the Latest Windows XP Service Pack
WORKAROUND
You can edit the maximum run time for a task by using the Task Scheduler tool after you submit the task. The registry value that is listed earlier in this article controls the default run time for tasks that you submit by using the at command.
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 3 (SP3) and Microsoft Windows XP Service Pack 1 (SP1). MORE INFORMATIONFor additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below
to view the article in the Microsoft Knowledge Base:
265173 For additional information on how to install multiple hotfixes with only one reboot, click the article number below
to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/265173/EN-US/
)
Datacenter Program and Windows 2000 Datacenter Server Product
296861 For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below
to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/296861/EN-US/
)
Use QChain.exe to Install Multiple Hotfixes with One Reboot
249149
(http://support.microsoft.com/kb/249149/EN-US/
)
Installing Microsoft Windows 2000 and Windows 2000 Hotfixes
PropertiesArticle ID: 304288 - Last Review: February 22, 2007 - Revision: 3.3 APPLIES TO
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