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    Office 365 mailbox in different data centre (ExchangePrincipal object contains outdated information)

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    Office 365 mailbox in different data centre (ExchangePrincipal object contains outdated information)

    You may receive error messages below:

    Having Office 365 mailbox spread across multiple data centres can cause issues when accessing shared resources. The issue can demonstrate it self by an inability to send as a shared mailbox or losing access to it completely in Outlook or Web-mail.

    Outlook error

    The specified object was not found in the store., Can’t connect to the mailbox of user Mailbox database guid: XXXX because the ExchangePrincipal object contains outdated information. The mailbox may have been moved recently. Email could not be sent. The message has been moved to your Drafts folder.

    Webmail error

    Your request can’t be completed at this time

    Connect to your remote power-shell and run following command to view your user list and list of databases

    Get-MailBox | select Displayname,Database

    You will see a list below:

    DisplayName Database
    ———– ——–
    Owner 1 GBRP123DG081-db136
    Owner 2 GBRP123DG077-db006
    Discovery Search Mailbox GBRP123DG059-db037
    User 1 GBRP123DG065-db120
    User 2 GBRP123DG058-db105
    User 3 GBRP265DG075-db123

    GBRP – this shows the country location of the data centre

    123 – this indicates the datacentre, if this number is different it will cause issues with shared access

    To resolve this issue run a command to move the mailbox which location does not match, in our case User 3

    New-MoveRequest -identity [email protected]

    This will start the mailbox move to the correct database, to check if the mailbox is moving to the correct database run below command to view the current Move Request

    Get-MoveRequest -identity [email protected]

    DisplayName Status TargetDatabase
    ———– —— ————–
    User 3 InProgress GBRP123DG071-db070