Outlook 2003 encounters problems when opening Exchange folders other than Inbox

I upgraded Exchange 2000 to Exchange 2003 (sp2) and migrated to new hardware over the weekend, and my clients running Outlook 2003 sp1 are experiencing issues when opening folder in the mailbox OTHER THAN the inbox or the archived .PST folders.  They are able to open outlook once and see the folder no problem, but then it encounters problems and closes.(send and recieve and Inbox access works fine)  I have installed sp2 and the outlook 2003 update, but the issue is not resolved.  I have removed ansd reinstalled Outlook 2003-no luck.  any thoughts? Thanks.
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dbgathmanAuthor Commented:
Microsoft has confirmed (through a support call) that there is a known issue when applying SP2 to Exchange Server and Outlook 2003 clients.  The clients will be able to open all thier mailbox items the first time the client is opened and then produce the crash and restart of the Outlook.  Once this begins to occur a reboot of the server will alleviate the issue.  The clients that were having difficulty then are able to access the folders in their mailbox.  (thought the mailbox folder access at the client is slow at first and appears to be freezing up-it is not)
Closed, 500 points refunded.
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