I have a mixed Exchange 2003 and Exchange 2010 environment. We recently transitioned from Exchange 2003 to Exchange 2010, with all of our items now being on Exchange 2003. We recently began seeing an issue where the Offline Address Books are not being updated. It first started as an error on Outlook 2003 clients, where when downloading the OAB, would give error: Task 'Microsoft Exchange Server' reported error (0x8004010F): 'The operation failed. An object could not be found.' And downloading the OAB on Outlook 2007 clients, just results in it hanging at Copying offline address book template file.
I tried disabling cached mode on the clients, and updating that way, and it still gave the error.
This issue is occuring on all computers, I read somewhere that the OAB needs to be attached to the databases, however it has been for all this time, and the issue only started to occur recently.
Checking the app log on Exchange 2010 server, does not seem to throw any OAB errors, however I am seeing the following, however this has been this way since the transition from 2003 to 2010, but the OAB issue started happening recently.:
Event ID 14029 MSExchangeMailboxAssistants with: Couldn't find an Exchange 2010 or later public folder server with a replica for the free/busy folder: EX:/O=COMPANY/OU=FIRST ADMINISTRATIVE GROUP.
Thank you in advance.