Microsoft small business knowledge base

Article ID: 220149 - Last Review: October 26, 2013 - Revision: 4.0

This article was previously published under Q220149
This article has been archived. It is offered "as is" and will no longer be updated.


When you schedule a task using the AT tool at a command prompt, the task appears as being scheduled in the Task Scheduler tool. When you schedule a task using the Task Scheduler tool, the task does not appear when you run the the AT tool at a command prompt.

In addition, if use Task Scheduler to modify a task originally scheduled using the AT tool, you can no longer modify the task using the AT tool.


This behavior is by design.

More information

The Task Scheduler tool provides more features than the AT tool. Once a task is created or modified using the Task Scheduler tool, it cannot be reverted back to an AT task because the AT tool cannot interpret the additional information added by the Task Scheduler tool.

Applies to
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
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