Exchange 2010 Dabase size issue


Our Exchange 2010 Database size is 550gb and the active mailboxes site is not more then 150gb,
I have done offline defragment but it did not help at all.
what else can I do to reduce the database size?
what if is create new database and move my all active mailboxes to the new database and delete old later?
please suggest
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Manikandan NarayanswamySecurity Specialist & IBM Security GuardiumCommented:

Well is your Exchange 2010 Server is part of DAG or its a single standalone server. If its a single server you can think of moving mailboxes to another mailbox DB. However there are few things which you can check at your end

Get-MailboxDatabase -Status | ft name,databasesize,availablenewmailboxspace -auto ( Run this command to find the white space)
Have you reviewed the Purge items from the Recoverable Items folder. You can clean up the Recoverable items folder using the following steps refer the below link

You can use Get-MailboxStatistics to see mailbox sizes. Or Refer the below link for further detailed steps


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satish sharmaCommented:
could you please tell which version of exchange 2010 are you using?

The white space space will remain as it is. The mail will get landed in white space itself. Say your white space might be 400GB which will be utilized. But if want to reclaim the white space you have to delete the database and recreate.
Mal OsborneAlpha GeekCommented:
An offline defrag should recreate the store. The new version will have no whitespace.
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