Re: ADC 8026 Errors following an Exchange 5.5 to Exchange 2003 migrati

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From: Jaclynn Hiranaka [MSFT] (jaclynnh_at_online.microsoft.com)
Date: 09/30/04 

Date: Thu, 30 Sep 2004 14:43:06 -0700

Take a look at the following article:
288828 XADM: ADC Replication Is Not Successful and an Event 8026 Message Is
http://support.microsoft.com/?id=288828

This may help you with the ADC issue however the ADC does not have anything
to do with public folder replication of hierarchy or content. The ADC PF
Connection Agreements are only for the directory entries so that you can
email and view the PFs in the GAL. The PF replication of hierarchy and
content still works over email just as it did in the legacy versions of
Exchange.

If you are having issues with the public folders replicating from the Ex55
to the E2K3 server as seen from Exchange System Manager, then it is
something other than this ADC issue.

Ensure that the E2K3 PF store is stamped with a proxy address. To do so
open ADSI Edit and bring up the properties of the PF store. Does it have
proxy addresses?

Do you have mailflow between your Ex55 and E2K3 servers? If not you need to
establish mailflow between them in order for PF replication to work as it
does go over mail messages. 

-- 
Hope that helps.
-------------------------
Jaclynn Hiranaka
Enterprise Messaging Support
This posting is provided "AS IS" with no warranties, and confers no rights.
© 2004 Microsoft Corporation. All rights reserved.
"exch2003help" <exch2003help@discussions.microsoft.com> wrote in message 
news:75BE2D7A-34E6-4FE1-A0CE-2654D2250FDF@microsoft.com...
>
> Hello everyone,
>
> SOME FACTS:
> 1. I've done a intra-org migration from Exchange 5.5 to Exchange 2003.
> 2. The Exchange 2003 is the second domain controller in the domain.local.
> 3. Successfully moved the mailboxes from the old server to the NEWSERVER
> 4. Set administrator accounts for both servers to the same username and
> password
> 5. Verified "OldDomain\exch_services", "OldDomain\administrator",
> "NewDomain\administrator", "NewDomain\exch_services" accounts have
> permissions at the ORG, Site, Configuration, Connections, Server levels in
> Exchange 5.5
> 6. Verified both server are on the same subnet and can ping each other
> 7. WINS, LMHOSTS/HOSTS files have been verified to ensure there isn't a
> naming conflict
> 8. Verified Exchange 5.5 BDC can see the OldDomain PDC
>
> Our public folders are the issue and Public Folder Migration is stalled 
> and
> replication isn't taking place.
>
> The Active Directory Connector is reporting the following error every five
> minutes in the application event log.
>
> ________________________________________________________________
>
> Event Type: Error
> Event Source: MSADC
> Event Category: LDAP Operations
> Event ID: 8026
> Date: 9/29/2004
> Time: 2:45:12 PM
> User: N/A
> Computer: NEWSERVER
> Description:
> LDAP Bind was unsuccessful on directory NEWSERVER.domain.local for
> distinguished name 'OldDomain\EXCH_SERVICES'. Directory returned 
> error:[0x51]
> Server Down.   (Connection Agreement 'Config CA_ORG_newserver' #172)
>
> For more information, click http://www.microsoft.com/contentredirect.asp.
> ________________________________________________________________
>
> I'd appreicate any guidance your can offer and thank you in advance for
> taking the time!

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