When you use the Task Scheduler service in Microsoft Windows XP to perform recurring tasks, the tasks may not be performed. You may receive an entry that is similar to one of the following entries in the SchedLgU.txt file:
** ERROR **
The attempt to retrieve account information for the specified task failed; therefore, the task did not run. Either an error occurred, or no account information existed for the task.
The specific error is:
0x8004130f: No account information could be found in the Task Scheduler security database for the task indicated.
** ERROR **
The attempt to log on to the account associated with the task failed, therefore, the task did not run.
The specific error is:
0x8007052e: Logon failure: unknown user name or bad password.
Verify that the task's Run-as name and password are valid and try again.
This problem may occur if one of the following conditions is true:
- The task database is corrupted.
- The account credentials are missing.
Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
How to obtain the latest Windows XP service pack
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.
To resolve this problem immediately, 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: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.
You must have Windows XP Service Pack 1 (SP1) installed to apply this hotfix.
You do not have to restart your computer after you apply this hotfix.
This hotfix does not replace any other hotfixes.
The English version of this hotfix 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
the Date and Time tool in Control Panel.
Windows XP 32-bit edition
Date Time Version Size File name
13-Jan-2003 20:46 5.1.2600.1156 251,392 Mstask.dll
13-Jan-2003 19:45 5.1.2600.1156 9,728 Mstinit.exe
13-Jan-2003 20:46 5.1.2600.1156 162,816 Schedsvc.dll
Windows XP 64-bit edition
Date Time Version Size File name Platform
13-Jan-2003 20:46 5.1.2600.1156 614,912 Mstask.dll IA-64
13-Jan-2003 19:46 5.1.2600.1156 20,992 Mstinit.exe IA-64
13-Jan-2003 20:46 5.1.2600.1156 546,304 Schedsvc.dll IA-64
13-Jan-2003 19:45 5.1.2600.1156 251,392 Wmstask.dll x86
13-Jan-2003 19:45 5.1.2600.1156 9,728 Wmstinit.exe x86
13-Jan-2003 19:45 5.1.2600.1156 162,816 Wschedsvc.dll x86
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 Microsoft Windows XP Service Pack 2.
For additional information about standard terminology used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates