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bizzie247
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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.
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bizzie247

8/22/2022 - Mon
Peter Hutchison

What roles do you install in your Exchange 2013 setup?
The minimum must include Client Access, Transport and Mailbox roles.
bizzie247

ASKER
Yes, just those 3 are installed.
ASKER CERTIFIED SOLUTION
Peter Hutchison

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bizzie247

ASKER
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
I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck
Gareth Gudger

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
bizzie247

ASKER
I ran the command:    Get-Mailbox –Database “database1” –arbitration | New-MoveRequest –TargetDatabase “database2”

This resolved the issue......THANKS