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Exchagne 2003 to Exchagne 2010 Migration Issues

Posted on 2012-04-04
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Last Modified: 2012-08-13
LAst week i have installed Exchage 2010 SP2 , with coexistance with Exchange 2003.
I have moved around 15 users from Exchagne 2003 to Exchagne 2010.

Now users facing few issue, one issue is very critical.
Outlook 2003 users who are still in Exchagne 2003 SErver not able to open users calender who are moved in to Exchagne 2010 SErvers.
I have reassign the permission , recreate the profile but status is same.
Please advice..
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Question by:am230089
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Expert Comment

by:DLeaver
ID: 37805494
I had the same issue post migration this week, within Outlook I just went to open shared calander and selected the required user again and it automatically reconnected it back up - have you tried this?
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Author Comment

by:am230089
ID: 37805903
Yes, i tryied this also but it is not opening.
it is shwoing i"Unable to display the folder. The information store could not be opened"
Error message.
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DLeaver earned 500 total points
ID: 37806080
Its the co-existence thats causing the issue, so not the same issue as I mine as my 2003 Exchange had been removed - however it is a recognised problem

http://support.microsoft.com/kb/979690
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Author Comment

by:am230089
ID: 37806191
i have 90thousand mailbosex so it is not posible to remove the exchage 2003 right now,
Coexistance phase will comtinure for year
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Expert Comment

by:DLeaver
ID: 37806248
Just check the link to the hotfix I have sent you, this explains why the co-existence causes issues with the calander and the hotfix should resolve the issue for you
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Author Comment

by:am230089
ID: 37809973
So where we have to install this hot fix , Forsnt end server or BAckend servers ?
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Expert Comment

by:DLeaver
ID: 37810140
I would install it on all of your Exch 2003 boxes.

Reading the hotfix I would lean towards the backend servers where the mailboxes are stored, but I think running it on all Exch 2003 servers would be advisable
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Author Closing Comment

by:am230089
ID: 37827840
Thanks for right Approch.
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