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Fadal
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The address list cannot be displayed

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
Exchange

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Fadal

8/22/2022 - Mon
Dant7

Have you changed the OAB generation server yet? If so have you checked the 'encrypt data between Microsoft Outlook and Microsoft Exchange' checkbox in Outlook? It is located in more settings/security tab.
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Fadal

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Fadal

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This is a workaround but not a solution
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