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Receiving Delivery Status Notification when sending updated calendar entries

gtelnet
gtelnet asked
on
Medium Priority
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Last Modified: 2013-11-30
Having an issue where sending out updates to calendar entries to external users results in delivery status notification delay/failure messages.

The initial calendar invite will go out fine, but if you go to edit it and send an update, that is when you receive the DSN message.

Exchange is 2003SP2 running on Win2k3
End users are using outlook 2007
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Rick FeeMessaging Engineer - Disaster Recovery Engineer
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Commented:
This is a known issue between Exchange 2003 and Exchange 2007.

The fix:
http://support.microsoft.com/kb/938650
Rick FeeMessaging Engineer - Disaster Recovery Engineer
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Commented:
So you don't miss it in the article like I first did.    You need to install the hotfix and then mod the registry:

Hotfix request (very top of the article):
http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=938650&kbln=en-us

Commented:
Thanks.... I actually found that hotfix and applied it a couple weeks ago but this seems to happen for ALL external users, not just E2k7.

Author

Commented:
Oops, previous comment was me on my other account...
Rick FeeMessaging Engineer - Disaster Recovery Engineer
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Commented:
You applied the hotfix and modified the registry and rebooted?

So far I have done this about six or so times...actually one last night and have to check the results today.   But they are all successfully in resolving.  
Messaging Engineer - Disaster Recovery Engineer
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Commented:
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