I'm performing few mailbox migrations as part of an Exchange upgrade from 2003 to 2010. Nearly all users have been successfully migrated but 1x user has a mailbox of 6+GB sitting on 2003 so it has been left to last. I setup an Outlook profile and archived his folders to a few .PSTs and got his mailbox down to ~600MB. On the Exchange 2010 box, when I go to excecute the 'New Local Move Request' wizard, it still states a mailbox size of 6GB. The real problem here is that it contains a high number of corrupted messages so it promptly fails. I had expected it see a size of 600MB with little or no corrupt messages. In ESM 2003, the mailbox size shows as correct. Any ideas on how to get past this? I don't want lost 100s of messages that seen as corrupt. I'm thinking that 2010 needs have a refreshed view of the legacy mailbox? Don't know, I'm kinda new to Ex2010.

On Fri, 29 Apr 2011 02:22:10 +0000, mikedisd wrote: >I'm performing few mailbox migrations as part of an Exchange upgrade from 2003 to 2010. Nearly all users have been successfully migrated but 1x user has a mailbox of 6+GB sitting on 2003 so it has been left to last. I setup an Outlook profile and archived his folders to a few .PSTs and got his mailbox down to ~600MB. On the Exchange 2010 box, when I go to excecute the 'New Local Move Request' wizard, it still states a mailbox size of 6GB. The real problem here is that it contains a high number of corrupted messages so it promptly fails. I had expected it see a size of 600MB with little or no corrupt messages. In ESM 2003, the mailbox size shows as correct. Any ideas on how to get past this? I don't want lost 100s of messages that seen as corrupt. I'm thinking that 2010 needs have a refreshed view of the legacy mailbox? Don't know, I'm kinda new to Ex2010. The move mailbox is going to move the contents of the dumpster, too. Get rid of the items that have been removed from the mailbox. Since there's just one mailbox involved you could probably just use Outlook and remove them with the "Recover Deleted Items". If you don't wan to do that, set the deleted item recovery period to zero on the databases and wait a day before you try moving them ailbox again. --- Rich Matheisen MCSE+I, Exchange MVP --- Rich Matheisen MCSE+I, Exchange MVP

Hi, Please try to restart the informaiton store service in both exchange 2003 and 2010 and see if the issue persists.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. Thanks Gen Lin-MSFT