The last exception encountered was: '.PartialCompletionException: Move/Copy messages failed. Source: MSExchange MailboxSearch Date: 2:05:26 PM Event ID: 21000 Task Category: (21) Level: Error Keywords: Classic User: N/A Computer: Description: Batch copy for MailboxSearch 'Test 2' on mailbox 'Joe Blogs' was retried '5' times but failed on all instances. This was bad news as the rest of the folder might contain extremely important information. It would retry 6 times and eventually fail and move onto the next folder. The search would fail against a large number of mailboxes. We did hit one issue whilst testing this search after all of the mailboxes had been migrated. MSExchange Link for more information on Multi-Mailbox search It also means that this search will look at attachments which is excellent, although does create far more results to review. This means the searches in Exchange 2010 are much much quicker. This allowed administrators to search all of the mailboxes using the search index which is built into Exchange. In Exchange 2010 Microsoft released a feature called Multi-Mailbox search. This process was extremely slow (90 hours to cover 2000 mailboxes) and not particular reliable. In Exchange 2007 we used to complete multi mailbox searches using a third party tool which would use MAPI to search every users' mailbox for items which matched our search terms.
This could be for a number of reasons e.g Data Protection request or a disciplinary query.
Linked mailbox exchange 2010 upgrade#
We are now coming to the end of our Exchange 2010 upgrade project and everything has gone pretty well so far.įrom time to time our administrators are asked to complete searches in Exchange.
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