DST - From External Exchange server to Internal Exchange Server

Sorry to beat this one to death...  We virtualized our environment and our one last step is to perform a major server upgrade across the board...

We have an Exchange 2000 server, Outlook 2003 and 2007 clients.  We ran all of these DST patches last year and I thought we were okay.

For some reasons, when I receive an external appointment via Exchange, the appointment is an hour off.

I verified that everthing works as expected by:

Sending an appointment via Gmail - Works Ok
Sending an appointment via Lotus Notes - Works Ok
Sending an appointment to one another with the Exchange organization - Works OK
Sending an appointment from internal to external contact - Works Ok

It seems that this only occurs when someone from an external source, running Exchange send an appointment to someone within our Exchange organization.

Any suggestions would be apreciated on how to fix this issue if it's even my issue.

-byd2k



Any ideas on what is causing this?  I read the other threads, but I'm not understanding


byd2kAsked:
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december41991Connect With a Mentor Commented:
"It seems that this only occurs when someone from an external source, running Exchange send an appointment to someone within our Exchange organization."

Is the external account DST compliant ?
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byd2kAuthor Commented:
One last note...

We have a few accounts that forwards e-mail from an external account to Hotmail.

In Hotmail, the appointment time is actually correct even though in Outlook it's an hour off.


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byd2kAuthor Commented:
I know I shouldn't assume, but...  One is a hospital and the other is an IT shop.

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december41991Commented:
Cause if it works GMAIL , Notes , etc... I think you are good. It will be difficult to solve other servers problem  :) that you do not manage ...
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byd2kAuthor Commented:
Thanks for your help.  I never solved this issue, however I believe that it's the way our internal server is receiving appointments and translating the time and date stamp of the appointment entry.  Another admin mentioned that I should look at the appointment information in the e-mail message itself.  


-byd2k
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