Exchange 2003 & 2007 OAB Question

Hi,

I have recently installed exchange 2007 and it is coexisting with exchange 2003.

I have moved all mailboxes and replicated public folders to exchange 2007.

I have also removed the routing connection between the two exchange servers, changed RUS from exchange 2003 to exchange 2007 and mail is only going in and out of the exchange 2007 fine. Basically i think i am ready to uninstall exchange 2003 from the environment.

But one issue that i have found though is when I create a new mailbox on exchange 2007 the users name for that mailbox are displayed in the Address Book in OWA 2007 but not displayed in the Address Book in Outlook 2003 or 2007. Also I cannot configure the new users mailbox in outlook 2003 because it cannot find the users name during the setup process.

I have found the only way i can get the users details to appear in the Outlook 2003 or 2007 Address Book and configure the mailbox in Outlook is to move the mailbox to the exchange 2003 server and then back to exchange 2007 server. When this has been done the users name appears.

I have looked in the Management Console in Exchange 2007 and have noticed the Default Offline Address List is still using the exchange 2003 server as the generation server.

Could my issues have something to do do with the Default Offline Address List? If yes, would moving the Default Offline Address List to the exchange 2007 server fix the problem and can this be done whilst exchange 2003 exists?

Regards

Craig
Craig_hannaganAsked:
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ThaVWManCommented:
Yes, you will need to make the 2007 server the server in charge of generating the OAB.  I can only assume that you are planning to remove the 2003 server from production at some point, so this will need to be done regardless.  There is no problem letting 2007 generate the OAB.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
2007 does not require RUS, just check this article and see what all you have done correct and if missing something please do that.

How to Remove the Last Legacy Exchange Server from an Organization
http://technet.microsoft.com/en-us/library/bb288905.aspx
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gauravbhandariCommented:
- If you have moved all the mailboxes to exchange 2007 server, you should make exchange 2007 as generation server for OAB.
- Create a new user & then run the following command from Exchange Management Shell:
update-globaladdresslist.
- Also, in Default Offline Address List, check the Distribution tab (required Outlook versions should be checked)
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Craig_hannaganAuthor Commented:
Thanks guys, all the info you provided was great. I have moved OAB gernation process to exchange 2007 server and it is all working fine. I can see new and existing mailboxes in Address Book now.
Thanks Craig
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