Deleted emails duplicated in Deleted Items box. No Rules or Filter applied. Outlook 2007 w/ Exchange 2003 + BES.

We have Win2K3 domain with Exchange 2003 w/ BlackBerry Enterprise.  The users are using Office 2007 with Outlook 2007.  Last week I was noted that one user is having problem with some of his Deleted Items being duplicated.  He has no rules or filters applied on his Outlook.  His blackberry is set with same IT policy with other users.  Also, there is no obvious patterns to what type of emails are being duplicated.  Sender, time, size, attached/unattached, etc are all random.  I google the problem and saw similiar posting but found none with decent answer.
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apache09Connect With a Mentor Commented:
Check to see that you have the latest Sp for 2007:

Also, check to see if cached exchange mode is on.

Tools>Account Settings>Open Account Details>
Under Exhcange Server name
Check that Use Cached Exchange Mode is not on
datotechAuthor Commented:

Thank you for the suggestion.  My next visit with them will be in about 2 weeks, so I will try your suggestion then.

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