Preparing Exchange Server 2016/2019 for Mixed Exchange Environments Parent topic

Exchange Server 2016/2019 requires that the SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9} mailbox exists on the Exchange server before starting a search in a mixed Exchange environment. If the mailbox does not exist on Exchange Server 2016/2019, configure the mailbox using Exchange Management Shell Commands.

Procedure

  1. Execute the command:Get-Mailbox -Arbitration
    Retrieves the current system mailbox information
  2. Execute the command: Get-Mailbox -Arbitration "SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9}" | New-MoveRequest -Targetdatabase "Exchange2016/2019 DB Name"
    Moves the SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9} mailbox to the Exchange Server 2016/2019 mailbox database
  3. Execute the command: Get-MoveRequest
    Checks the status of the move operation
    Note
    Note
    The move operation may take few minutes to complete.