Outlook 2003 Out of Office Assistant Error: “The command is not available. See the program documentation about how to use this extension”

I recently came across the following error message when one our users attempted to enable their out of office message in Outlook 2003:

Windows XP Outlook  Out of Office Assistant Error.jpg

Out of Office Fix

To fix this problem you will need to perform the following:

Shut down Outlook and open Windows Registry via Start->Run->regedit

Then find the following node:


Export the entry key listed under this node(just in case) and then Delete afterwards.

Relaunch Outlook and you should be able to set the Out of Office.


Source: http://roqu3.com


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