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Error in registry for extension "Exchange Extensions;?" on starting Outlook

Article ID: 23
Last updated: 26 Sep, 2008

If you recieve the following popup error upon starting Outlook, then you have a corrupt registry key that can easily be corrected.

This is documented in a Microsoft knowledgebase article:

http://support.microsoft.com/kb/823633

The short version is:

1. Close Outlook
2. Open the Registry Editor
3. Drill down to this registry key:

    HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Client\Extensions

4. Delete the value named "Exchange Extensions"
5. Launch Outlook again. Outlook will recreate the key.

 

Article ID: 23
Last updated: 26 Sep, 2008
Revision: 1
Views: 4698
Comments: 0
Posted: 17 Sep, 2008 by Admin A.
Updated: 26 Sep, 2008 by Admin A.
This article was:   Helpful | Not helpful
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