MailBox Move
I am running Exchange 2007 on Win 2003 Server R2. As I was running out of drive space, I created a new volume on another disk and moved several mailbox's to the new volume through the GUI. The problem is that my original volume has nove decreased.
I suspect the GUI copied the mailbox to the new volume and did not delete. How do I delete this mailbox's from the old Volume to recover the space? What is the correct syntax?
Richard
January 24th, 2011 10:52am
Moving mailboxes out off a mailbox database does not reduce the external size of the database.You'll only get more free space inside the database. In order to reduce the actual database size, you'll have to take the dismount the database and preform an offline
defragmentation.
You use the Exchange Server Database Utilities (Eseutil.exe) /D switch to defragment and compact it. The defragmentation option makes used storage contiguous, eliminates unused storage, and compacts the database, which reduces the database file size.
A successful move mailbox implies a delete of the source mailbox on the old volume in your case.
Deleted mailboxes don't free up space is edb
http://www.eggheadcafe.com/software/aspnet/33528938/deleted-mailboxes-dont-free-up-space-is-edb.aspx
Eseutil /D Defragmentation Mode
http://technet.microsoft.com/en-us/library/aa997972(EXCHG.80).aspxMCTS: Messaging | MCSE: S+M
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January 24th, 2011 11:19am
I did this and get an error "Invalid Maximum Cache Size Specification" How do I fix this?
Richard
January 25th, 2011 9:32am
No idea what that error message means. With eseutil in the old days, there were often some weired messages that were solved after a restart and you had disabled antivirus: You should make sure there is no Antivirus file-level scanning on those folders that
you use with eseutil.
With eseutil /d you should ensure you have at least 110% of the database files size available in free disk space on volume where the defragmented copy of the database file is being created. If you don't have that space redirect the temp file to another
volume:
eseutil /d <database_path_and_file_name> /t <temp_database_path_and_file_name>
How to Run Eseutil /D (Defragmentation)
http://technet.microsoft.com/en-us/library/aa998863(EXCHG.80).aspx
MCTS: Messaging | MCSE: S+M
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January 25th, 2011 4:00pm
Is the db size bigger than 100gb ?
January 25th, 2011 4:17pm
The DB is about 30 GB
Richard
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January 25th, 2011 4:25pm
30 GB is not much in our days. You'll be much better off if you create a new database and move off all mailboxes to the new database, or if you prefer splitting them into two databases. This will incur downtime only for the user's whose mailboxes are moved
at a given time.MCTS: Messaging | MCSE: S+M
January 25th, 2011 4:34pm
That is my intent. I have created a new DB on another drive and am moving all users to the new DB. I would just like to free up some space on the original drive.
Any problems if I delete my first db?
Richard
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January 25th, 2011 4:40pm
Hi Richard,
Suggest you dismount the datebase first, cut it to another disk to keep some days to see whether there is any error if possible. After that, remove it.
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January 25th, 2011 9:37pm
Any problems if I delete my first db?
I usually check if the Mailbox for the System Attendant is recreated in a new database:
Get-MailboxStatistics | Where-Object {$_.DisplayName -eq "Microsoft System Attendant"} | flMCTS: Messaging | MCSE: S+M
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January 26th, 2011 3:36am
Hi Richard,
Any updates?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.
January 28th, 2011 1:55am