Mailbox Usage
We are looking to migrate to Exchange Online but have a lot of mailboxes currently. Is there an easy way to tell the last time a mailbox actually received an e-mail, when someone has accessed the mailbox, etc...? I am trying to determine if half of the mailboxes we have are abandoned. Thanks
December 11th, 2009 6:32pm
What version of exchange and windows are you using? In exchange 2007 you can use the exchange powershell Get-MailboxStatistics command to get information on mailboxes such as last logon date which could be used in a script to find unused mailboxes. There might be a better way of doing this, but none I know of off the top of my head.Michael
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December 11th, 2009 8:19pm
Exchange 2000/2003 also shows this in ESM.OliverOliver Moazzezi | Exchange MVP, MCSA:M, MCTS:Exchange 2010, BA (Hons) Anim
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December 11th, 2009 8:36pm
We are using Exchange 2003, however, since we use Netbackup it always shows the last user that accessed the mailbox was nbuadmin. Unless I am looking in the wrong location. I am just looking under the mailboxes folder.
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December 15th, 2009 12:19am
You dont look at the wrong location. I think the another option would be the size, the abandoned mailboxes wont get new mails, so you can sort the mailboxes by sizes, and monitor the mailboxes in the bottomJames Luo TechNet Subscriber Support (http://technet.microsoft.com/en-us/subscriptions/ms788697.aspx) If you have any feedback on our support, please contact tngfb@microsoft.com
December 15th, 2009 6:11am
I have thought about looking at size as well, however, some of the mailboxes are support mailboxes that get cleaned out regularly. They may look empty or have no e-mail in them, but could be very much in use. From what it seems, there isn't a definitive way to get the info I need.
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December 15th, 2009 5:05pm
Usually, the users who left the company shall be removed from AD at the first place. I think you can send the names of existing users to HR dept., and ask them to cross check the list, see whos left James Luo TechNet Subscriber Support (http://technet.microsoft.com/en-us/subscriptions/ms788697.aspx) If you have any feedback on our support, please contact tngfb@microsoft.com
December 16th, 2009 9:01am