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You receive a "The command line argument is not valid" error message when you use the /unregserver command-line switch and the /regserver command-line switch in Outlook 2003

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Article ID:827593
Last Review:September 28, 2004
Revision:1.3

SYMPTOMS

When you use the /unregserver command-line switch and the /regserver command-line switch, you may receive the following error message in Microsoft Office Outlook 2003:
Cannot start Microsoft Office Outlook. The command line argument is not valid. Verify the switch you are using.

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CAUSE

This behavior occurs because both the /unregserver command-line switch and the /regserver command-line switch are no longer valid in Outlook 2003.

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STATUS

This behavior is by design.

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APPLIES TO
•Microsoft Office Outlook 2003

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Keywords: 
kbcommandline kbpending kberrmsg kbprb KB827593

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