Mailbox paralyzed

hello experts!

In a world where users run Outlook 2010 to connect to two different Exchange servers to facilitate migration from one to the other.

I have a user who, during mailbox cleanup/management efforts, attempted a move (not a copy) of a 20GB folder from one Exchange mailbox into the other Exchange mailbox which has a size limit of 4GB. Of course the operation gagged to a halt once the destination mailbox filled up but now there appears to be no way of backing out of the operation. Any attempt to move back the files which filled up the mailbox gets the error:

"Outlook is synchronizing local changes made to items in this folder. You cannot remove this folder until the synchronization with the server is complete."

Outlook is running in Cached Excange mode.

There was an estimated 1GB free on the destination mailbox before the move operation was launched. Clearning space from other folders in the inbox is painfully slow, and the user has no mail operations in the meantime.

Can the move operation be halted, cancelled or otherwise backed out of, without data loss to the large folder? Thanks in advance ro any and all input.
Jonnie106Asked:
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Raji SubramanianCommented:
Hi Jonnie,

As the activity you are performing on the Exchange Cached Mode on your outlook. You can go ahead and bring the outlook in offline mode ...this can bring the operation halted... Instead you would have exported to PST file format and merged both the PST ...This may little faster than working with the OST file on email transfer

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Alexei KuznetsovMicrosoft Outlook MVPCommented:
I personally do this kind of operations server-side. By this I mean that I switch Exchange accounts in Outlook to Online mode. After that you'll get no synchronization issues.
Jonnie106Author Commented:
Working in Offline mode did allow creation of a .pst, which allowed 2.1GB to be deleted from Deleted Items, which in turn allowed the mailbox to send and recieve again.
Thanks Raji !
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