I am having a problem and would like to know if you all could assist me with it?
Problem:
I am trying to move a mailbox from Exchange 2003 to Exchange 2007 and I get the following error:
Unable to move mailbox 'username'.
Error: Failed to copy messages to the destination mailbox store with error:
MAPI or an unspecified service provider.
ID no: 00000000-0000-00000000
I have been able to move several mailboxes before and after this mailbox. I have users on both Exchange 2003 and Exchange 2007 and everything seems to be functioning well. This is the only mailbox that I have encountered this error (so far).