troubleshooting Question

The address list cannot be displayed

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FadalFlag for United Arab Emirates asked on
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I am in the process of transitioning from Exchange 2003 SP2 (Ex2k3) to Exchange 2010 SP1 (Ex2k10) and have so far achieved the following:-

(1) Ex2k10 is installed & opertaional (normal)
(2) Majority of the mailboxes are still on Ex2k3 server, few mailboxes are on Ex2k10
(3) DNS server has following entries:-
      - autodiscover.mycomp.com      192.168.1.11      
      - legacy.mycomp.com            192.168.1.10
(4) Clients are a mix of Outlook 2003 & Outlook 2010

Ex2k3 server, IP: 192.168.1.10, FQDN: mail.mycomp.com
Ex2k10 server, IP: 192.168.1.11, FQDN: exch.mycomp.com

If i try to configure a new profile (even for a user residing on Ex23k server) i get below error message:-

"The address list cannot be displayed. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action."

This happens when i try to open the GAL, this user can still send/receive emails.

Please advise.


Regards,
Pete
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