Getting error message when trying to move mailboxes acroos from one exchange server 2007 to another exchange server 2007 in another error is 1056749262">Error occurred in the step: Opening destination mailbox. Failed to open mailbox with error: An unknown error has occurred.

id this happening to a particular mailbox or to all? could be becuase of item level corruption - could you please try first moving the mailbox from one store to another and check what happens.Best Rgds, Ashish | Unified Comunication | MCTS | MCITP | Please remember to select option "Propose As Answer" if solution work for you | My posts hold no assurances, no promises, and they measured no rights.

I Can move the mailboxes to different storage groups on the server but when i go to move the mailboxes to another server in a different ad site it alwyas fails with the above message. Affeting all mailboxes

Is your account have Exchange Organization Admin?MCP, MCSE 2000 , MCSA 2000 ,MCSA 2003 , MCITP , MCTS , MCT

Yes i have all the appropriate permissions

Hi tonynnn, Please run the EXBPA to do a system check(Heath & Permission). Please try to move mailbox using cmdlet Move-Mailbox with parameter -verbose and post the results here. Move-Mailbox http://technet.microsoft.com/en-us/library/aa997599(EXCHG.80).aspx Frank Wang TechNet Subscriber Support in forum If you have any feedback on our support, please contact tngfb@microsoft.com Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hi tonynnn, Any updates?Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hi tonynnn, Any updates on your issue?Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.