Microsoft KB Archive/817534

= At.exe command does not run in every instance where it is scheduled in task scheduler =

Article ID: 817534

Article Last Modified on 10/26/2006

-

APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

-





SYMPTOMS
When you try to use the Task Scheduler service to schedule the At.exe command to run repeatedly, the command may not run every time that it is scheduled to run.

When this issue occurs, an event that is similar to the following appears in the application log in Event Viewer: &quot;At1.job&quot; 11/11/2002 1:02:40 PM ** WARNING ** Unable to load task. The specific error is: 0x80070020: The process cannot access the file because it is being used by another process.



CAUSE
This problem may occur when multiple Task Scheduler threads try to access job files. One thread may have a job file open at the same time that another thread tries to access the file, and the requested sharing modes may be incompatible. In this scenario, the job file cannot be opened by the second thread.



Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
No prerequisites are required.

Hotfix Replacement Information
This hotfix does not replace any other hotfixes.

File Information
The English version of this fix has the file attributes (or later) 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 tool in Control Panel.   Date         Time   Version            Size    File name --  20-May-2003  09:59  4.71.2195.6742    216,848  Mstask.dll 04-May-2003 15:34  4.71.2195.6742    119,568  Mstask.exe



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.



MORE INFORMATION
For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows Software update packages

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe kbwin2000presp5fix KB817534

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.