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Old users showing up in Global Address List GAL

Hello - we've recently migrated to Exchange 2010 from 2003, and are not sure if this was a pre-existing issue or not, but there are users who have been previously deleted, still showing in the GAL from Outlook addressbooks, and cannot find them when searching in the Active Directory or the Exchange System Managers from both Exchange 2010 and Exchange 2003. Not sure where to find them to get rid of them.

thanks

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Nick Rhode

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florin_s

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Mahesh

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hecgomrec

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Damian Gardner

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Ok - thank you for these suggestions. let me try them and report back what happens. Standby

Damian Gardner

ASKER

Ok - I'm attempting to rebuild the GAL on the 2003 server. Once I take the 2003 server offline, will the users automatically switch over to the GAL on 2010? How do I control that?

thanks

Mahesh

You need to migrate \ change OAB, GAL addresslist to Exchange 2010 manually

Damian Gardner

ASKER

sorry for the delay guys. ok - so the attempt to rebuild the GAL did not work. How do I migrate the OAB manually? Do you think this could be causing another issue that I've just discovered this morning, which involves a user whose mailbox was having calendaring and email problems after being migrated to 2010, so I exported her mailbox, deleted it, and rebuilt it fresh on the 2010 server, and now sometimes she receives email successfully from inside/outside senders, and others times she does not?

Thanks

Mahesh

Some organisations change the OAB generation server in an very early stage before any mailboxes is moved to Ex10.

I personally prefer after you have moved all the mailboxes on new server 2010, then you should move the OAB on to the new server.
The process is very simple, Right Click on OAB and Move it on to the new server
http://technet.microsoft.com/en-us/library/bb125184.aspx#UseEMC

Make sure you enable the Web Based Distribution Machanism(Outlook 2007 and 2010)
Regardless of whether you change the generation server or not, you need to configure public folder replication (for outlook 2003) for the OAB System Folders.
NOTE: it's just the generating server you change and the Exchange 2003 will have a replica of the data and the clients on EX03 will still download the OAB from the Exchange 2003 Server.
And mailboxes on EX10 will using Outlook 2007/2010 will download the OAB from Exchange 2010

Mahesh

Damian Gardner

ASKER

Great. Let me try that. thanks Mahesh and I'll let you know.

Damian

Damian Gardner

ASKER

Well, it appears I still have the problem. I'm still seeing deleted users in the GAL, from Outlook. I'm confused about the public folder replication. If I'm removing the EX03 server from the network, and leaving just a single EX10 server, does the replication still need to be done? And do I need to go in to a GAL source list somewhere and actually remove the ghost users that no longer exist, before they disappear from the addressbook in Outlook?

thanks

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Mahesh

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Damian Gardner

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Oh - you misunderstand, as there are no 2003 clients - only a 2003 Server, which is being retired. No lingering objects that I can see either. Perhaps the public folders ARE what's causing the problem on the 2010 Server?

thanks

Damian Gardner

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Outlook 2010 clients only, btw

Damian Gardner

ASKER

It was a problem with the Outlook clients having stale information from the old 2003 Server in Cached Exchange Mode. I recreated the OST files for the clients and it seems to have resolved the bad entries.

thanks for your help