EDB file and achive file exchange 2010

I activated the automatic archiving of Exchange 2010 SP3.
The emails are moved to the archive database, but the mailbox EDB file is not reduced.
Can you help me?

Thank you
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Scott CSenior EngineerCommented:
The space left behind is "white space".  The database itself won't reduce in size unless you run an eseutil /d to defrag the database.



The things to keep in mind are that the database must be offline when you do this, the utility will process about 5-10 gig an hour, and you will need at lease 2.5 times free disk space when performing this operation for the temp database, and the final defragmented one.
Amit KumarCommented:
If you don't have much space crunch on disk, so better not to do offline defrag, as DB will have white space so new users will use that free space.

Moreover if you want to defrag it and want to avoid major downtime so create another DB and move all users to new DB, it will not need any full downtime of DB and also will refresh your DB.

In case you want to check white space of DB please refer below powershell

get-mailboxdatabase <DBName> -status | ft Name, *Available*

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Seth SimmonsSr. Systems AdministratorCommented:
create a new mailbox database and move the users in that database there, then delete the old database
no need to disconnect users by dismounting the database for a defrag
Scott CSenior EngineerCommented:
Good point Seth.  Jose, that is the best way to go with less impact on your users.
JoseAuthor Commented:
I have try the defrag before activing exchange archive and no result
But now the defrag work  well.
I have dismount the necessary DB and revovered 250GB

Thank you
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