Discovery Search Mailbox / Exchange 2013

We currently have Exchange 2007 and 2013 running in coexistence mode. I am trying to move or better yet delete the 'DiscoverySearchMailbox' but am not successfull. My goal is to delete or migrated this mailbox to a newer DB in order to delete the DB.

I’m not sure if the entire mailbox name is correct or not because all I get is a truncated name when I use the 'GetMailboxDatase'.

Also, if i try to look it up in EAC it does not appear.

Screenshot of GetMailboxDatabase:
DiscoverySearchMailbox... DiscoverySearchMa... hdc-mbx-01       50 GB (53,687,091,200 bytes)
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Group_007Asked:
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suriyaehnopCommented:
What is the error message when you try to delete the mailbox?

Remove a Discovery Search

You need to be assigned permissions before you can perform this procedure

http://technet.microsoft.com/en-us/library/dd298078(v=exchg.141).aspx


http://blog.chrislehr.com/2009/10/exchange-2010-what-is-arbitration.htm

To delete this mailbox you have to be assign role "mailboxsearch" to the account used to delete the discovery mailbox.

[PS] C:\>Get-ManagementRole -Cmdlet Remove-MailboxSearch

Name                                                        RoleType
----                                                        --------
Mailbox Search                                              MailboxSearch

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Simon Butler (Sembee)ConsultantCommented:
That mailbox is an arbitration mailbox, and you have to use a special command:

get-mailbox -Database “Mailbox Database 1¿ -Arbitration | New-MoveRequest –TargetDatabase “MailboxDatabase2¿

(Where Database 1 is the old database, and database 2 is the new).

Simon.
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Group_007Author Commented:
Is it safe to delete this mailbox??
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Simon Butler (Sembee)ConsultantCommented:
No, because it is a system mailbox. You need to move it to another database.

Simon.
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