Unable to move Exchange 2010 Mailbox to new 2013 Database

An Exchange 2010 server is in place, I installed a 2013 server and prepping for migration. When I try to move Exchange 2010 user mailboxes to Exchange 2013 database, I get the following error message:

Cannot open mailbox /o=COMPANY/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=SERVERNAME/cn=Microsoft System Attendant.

When I open cn=Microsoft System Attendant, the container is empty.

I tried a number of suggested fixes from the hyperlink in the error message but none worked.
bizzie247Asked:
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Peter HutchisonSenior Network Systems SpecialistCommented:
How many mailbox stores have you created on Exchange 2013?
Are they mounted and and have you created any mailboxes on them via Exchange 2013 ECP ok?
Have you check that any arbitrition mailboxes showing on your old and new Exchange servers?
Get-Mailbox -Arbitrition

Is they don't show, a dismount and re-mount will automatically create any required system/arbitrition mailboxes.
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Peter HutchisonSenior Network Systems SpecialistCommented:
What roles do you install in your Exchange 2013 setup?
The minimum must include Client Access, Transport and Mailbox roles.
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bizzie247Author Commented:
Yes, just those 3 are installed.
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bizzie247Author Commented:
There is 2 databases currently on the EX13 but I created the second to later remove the first. I haven't created any mailboxes on the EX13.

Running: Get-Mailbox -Arbitrition on the EX13 and get nothing.

When I run that command on the EX10, I get:

Name                      Alias                ServerName       ProhibitSendQuota

----                      -----                ----------       -----------------

FederatedEmail.4c1f4d8... FederatedEmail.4c... fc-exchserver    1 MB (1,048,576 bytes)

SystemMailbox{1f05a927... SystemMailbox{1f0... exchserver    unlimited

SystemMailbox{e0dc1c29... SystemMailbox{e0d... exchserver    unlimited

   
I have mounted and unmounted and mounted all databases and get the same results
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Gareth GudgerCommented:
Hey bizzie,

Are you initiating these moves from the 2010 side or the 2013 side? Needs to be from the 2013 side.

Also, have you seen this article?
http://social.technet.microsoft.com/wiki/contents/articles/15842.mailbox-migration-fails-with-error-cannot-open-system-attendant-mailbox-in-exchange-server-2013.aspx
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bizzie247Author Commented:
I ran the command:    Get-Mailbox –Database “database1” –arbitration | New-MoveRequest –TargetDatabase “database2”

This resolved the issue......THANKS
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