Resource Calendar entries off by an hour

We have a client who is having issues with an Exchange 2003 environment.  This issue just surfaced this week: since the daylight savings time change.

Any meeting invites sent to the conference room mailboxes show up an hour later than the actual scheduled meeting time.  The issue ONLY surfaces on the conference room calendars... all user mailbox calendars are unaffected.  I've reproduced the problem across several workstations and ensured that all test subject PC's, as well as the Exchange server, have all available Microsoft updates.

Environment:
- Exchange 2003
- Server 2003
- XP and Windows 7 PC's
- Outlook 2003

Any help is appreciated!
JenlorAsked:
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JenlorConnect With a Mentor Author Commented:
I found the solution on my own.  While all applicable Windows DST updates had been applied via Windows update, a separate update acquired via Microsoft Update, specifically for Exchange, resolved the problem.
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e_aravindCommented:
want to access the resource mailbox from an hotfix updated OS...for a while...then check for the meeting timings?

How to address time zone changes by using the Time Zone Data Update Tool for Microsoft Office Outlook
http://support.microsoft.com/kb/931667

Video: How to rebase a Resource Calendar using the Outlook Time Zone Update tool and the /FORCEREBASESUPPRESSALL switch
http://blogs.technet.com/b/exchange/archive/2007/03/01/3401030.aspx
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JenlorAuthor Commented:
"Please state your reason for accepting your own comment as the solution."

Because it fixed the problem.
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