Exchange 2007 to 2013 Migration - Mailbox Issue

Peter Xenios 1 Reputation point
2020-11-04T09:28:52.147+00:00

Hi all

We have migrated from Exchange 2007 to Exchange 2013.

One mailbox has become an issue. Both 2007 and 2013 EACs that the mailbox is on the 2013 server, but when I run the report Get-MailboxStatistics -server <servername> the mailbox shows as still being on the 2007 server.

On my 2007 server Event Viewer, I have multiple Event 1022. This mailbox seems to somehow be on both servers? On the client side, there are no issues. All mailbox roles are on 2013.

Logon Failure on database "First Storage Group\Mailbox Database" - Windows account NT AUTHORITY\NETWORK SERVICE; mailbox /o=xxx/ou=First Administrative Group/cn=Recipients/cn=(MailboxName)
Error: 1144
Client Machine: ServerName
Client Process: edgetransport.exe
Client ProcessId: 0
Client ApplicationId: Client=Transport

Grateful for any assistance??

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Kael Yao-MSFT 37,711 Reputation points Microsoft Vendor
    2020-11-05T05:07:00.023+00:00

    @Peter Xenios
    Hi,
    Did the mailbox get migrated recently?
    If so,the result from the command Get-MailboxStatistics -server <servername> may be showing a soft deleted mailbox.
    To confirm it,you can run this command:

        Get-MailboxStatistics -server <ex2007servername> | fl displayname,disconnectreason  
    

    If the disconnectreason shows "softdeleted",it may be the cause.


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