What is being logged to Event Viewer regarding this?
Start-> Run; eventvwr.exe
Check the Application Log for error recorded by Outlook.

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Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
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Real World Questions, Real World Answers
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> When I try to move a message from my inbox to another folder (drag and
> drop
[quoted text clipped - 6 lines]
>
> Thanks