Question : Offline address book cannot be downloaded after moving mailbox to exchange 2010

We are in the process of moving mailboxes to Exchange 2010 from an Exchange 2003 server.

Our test mailbox (using Outlook 2003 in cached mode) had an issue when sned/receive was pressed (task 'microsoft exchange' reported error 0x8004010f the operation failed an object could not be found).

This turned out to be the Offline Address Book.

We created a new outlook profile this time not using cached mode.

This time we get the message: An error occurred while opening the Micrsofot Exchange offline address book files on the Microsoft Exchange Server. See your administrator.

I have verifed that the Offline Address book public folders have replicated (Using Exchange System Manager on the 2003 server and checking the replication status for the Offline Address book /o=First Organisation/cn=addrlists/cn=oabs/cn=Default Offline Address List and the subfolders OAB Version 2, OAB version 3a and OAB Version 4.

All show replication statuses of In Sync.

I have moved the Offline Address Book using the instructions from the MS Deployment wizard as specified below:
You can use the Move Offline Address Book wizard in the Exchange Management Console to perform this procedure.
1. In the Console tree, navigate to Organization Configuration > Mailbox.
2. In the Result pane, click the Offline Address Book tab, and then select the OAB for which you want to move the generation to a new server.
3. In the Actions pane, click Properties. On the Distribution tab, select the Enable Web-based distribution and the Enable public folder distribution check boxes and then click OK.
4. In the Actions pane, click Move.
5. On the Move Offline Address Book page, click Browse to select the server to which you want to move the OAB generation process, and then click OK.
6. Click Move to move the OAB generation process to the selected server.
7. On the Completion page, verify that the operation completed successfully. Click Finish to close the Move Offline Address Book wizard.

I have also added the reg key suggested in the Exchange 2010 event logs after turning the diagnostic logging up to medium for OAL post full if diff fails.

However I am still getting an error and I'm kind of stumped what to try next. Any suggestions greatly appreciated.

Thanks in advance.

Darren

Answer : Offline address book cannot be downloaded after moving mailbox to exchange 2010

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