Error message when you try to start the Task Scheduler service in Windows XP: "Error 1717: The interface is unknown"

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Article ID: 915156 - View products that this article applies to.
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SYMPTOMS

When you view the Task Scheduler service in the Services snap-in in Microsoft Windows XP, you notice that the service is not started even though the Startup type option is set to Automatic. Additionally, you receive the following error message when you try to start the Task Scheduler service:
Could not start the Task Scheduler service on Local Computer.
Error 1717: The interface is unknown.

CAUSE

This issue occurs when the Startup type option is set to Disabled in the Event Log service in the Services snap-in.

RESOLUTION

To resolve this issue, start the Event Log service. Then, start the Task Scheduler service. To do this, follow these steps:

Note You must have a computer administrator account to follow these steps.
  1. Click Start, click Run, type services.msc, and then click OK.
  2. Right-click Event Log, and then click Properties.
  3. In the Startup type box, click Automatic, click Apply, and then click OK.
  4. Click Start, wait for the progress bar to complete, and then click OK.
  5. Right-click Task Scheduler, and then click Properties.
  6. In the Startup type box, verify that the startup type is set to Automatic.
  7. Click Apply, and then click OK.
  8. Click Start, wait for the progress bar to complete, and then click OK.
  9. Exit the Services snap-in.

Properties

Article ID: 915156 - Last Review: March 21, 2006 - Revision: 1.2
APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
Keywords: 
kbtshoot kbprb KB915156

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