Yes--- a BlackBerry 8703 with a BlackBerry Enterprise Server in our office.
You may want to check your settings on the Blackberry - this is a common problem with them removing items from calendars.

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Milly Staples [MVP - Outlook]
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After furious head scratching, alanb asked:
| Yes--- a BlackBerry 8703 with a BlackBerry Enterprise Server in our
| office.
[quoted text clipped - 22 lines]
||| this subject but not with VISTA and Outlook 2007. I am not even
||| sure how to trouble-shoot this problem. HELP?!!?
alanb - 25 Feb 2008 01:48 GMT
Milly
Won't setting son the BlackBerry remove ALL calendar items? There seems to
be no consistency with some items remaining on the Calendar and some
disappearing.

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Alan
> You may want to check your settings on the Blackberry - this is a common problem with them removing items from calendars.
>
[quoted text clipped - 24 lines]
> ||| this subject but not with VISTA and Outlook 2007. I am not even
> ||| sure how to trouble-shoot this problem. HELP?!!?