Mailbox Move ForceOffline Parameter

Hell all,
scenario: Exchange 2013 RTM CU3, Exchange 2013 SP1 DAG
I'm trying to find a way to speed up Mailbox moves (local - from the RTM to the DAG environment) and I've pretty much exhausted all options I am aware of (MRS parameters, TCP Chimney, RSS etc.).
The one thing I haven't tried is the ForceOffline parameter, but unfortunately this switch appears to be very poorly documented.
Does anyone have any experience doing mailbox moves in "offline mode"? Does it speed up the transfer? Are the mailboxes automatically put back in "online mode" after the move?
Thx in advance!
M.

Hi,
ForceOffline forces a mailbox move to be performed in offline mode, meaning the user will have no access to email during the mailbox move. There is no official article explaining that it speeds up the migration using ForceOffline parameter. Your understanding
will be appreciated.
What's more, after finishing the migration, users will have access to email. In other words, mailboxes put back in "online mode".
Hope my clarification can be helpful to you.
Best regards,
Amy Wang
TechNet Community Support

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    system indicates you're consuming more processor utilization than the equivalent of 2 processors, you should reduce the count of virtual processors assigned to guest virtual machines accordingly and verify that the overall virtual processor-to-physical core
    ratio is no greater than 2:1.
    Refer:
    Exchange 2013 Virtualization
    Blog |
    Get Your Exchange Powershell Tip of the Day from here

  • MailBox Move Error With Exchange 2010 sp3

    I initiated a mailbox move for a specific mailbox and let it run all night. The next day, the user stated he cannot log into is mailbox and the error stated "mailbox is moving, check back later".
    Exchange stated the status of the move is "CompletedWithError". I noticed that the mailbox is still in the old database.
    I tried to remove the move request and received an error "couldn't find a move request that corresponds to this identity".
    I rebooted the exchange server.
    Exchange still shows the user in the old database
    There is no move requests in exchange
    The user is still experiencing the same error "You weren't able ti sign in because the mailbox is being move"
    I tried to initiated another move and received:
    Summary: 1 item(s). 0 succeeded, 1 failed.
    Elapsed time: 00:00:00
    John, Doe
    Failed
    Error:
    Couldn't switch the mailbox into Sync Source mode.
    This could be because of one of the following reasons:
      Another administrator is currently moving the mailbox.
      The mailbox is locked.
      The Microsoft Exchange Mailbox Replication service (MRS) doesn't have the correct permissions.
      Network errors are preventing MRS from cleanly closing its session with the Mailbox server. If this is the case, MRS may continue to encounter this error for up to 2 hours - this duration is controlled by the TCP KeepAlive settings on the Mailbox server.
    Wait for the mailbox to be released before attempting to move this mailbox again.
    MapiExceptionMailboxInTransit: Unable to open message store. (hr=0x80004005, ec=1292)
    Diagnostic context:
        Lid: 55847   EMSMDBPOOL.EcPoolSessionDoRpc called [length=163]
        Lid: 43559   EMSMDBPOOL.EcPoolSessionDoRpc returned [ec=0x0][length=264][latency=0]
        Lid: 23226   --- ROP Parse Start ---
        Lid: 27962   ROP: ropLogon [254]
        Lid: 17082   ROP Error: 0x50C     
        Lid: 26937  
        Lid: 21921   StoreEc: 0x50C     
        Lid: 27962   ROP: ropExtendedError [250]
        Lid: 1494    ---- Remote Context Beg ----
        Lid: 26426   ROP: ropLogon [254]
        Lid: 22787   Error: 0x0
        Lid: 13032   StoreEc: 0x8004010F
        Lid: 25848  
        Lid: 7588    StoreEc: 0x8004010F
        Lid: 25840  
        Lid: 6564    StoreEc: 0x8004010F
        Lid: 50999  
        Lid: 2567    StoreEc: 0x50C     
        Lid: 19452  
        Lid: 2199    StoreEc: 0x50C     
        Lid: 56415  
        Lid: 48223   StoreEc: 0x50C     
        Lid: 17097   StoreEc: 0x50C     
        Lid: 8620    StoreEc: 0x50C     
        Lid: 1750    ---- Remote Context End ----
        Lid: 26849  
        Lid: 21817   ROP Failure: 0x50C     
        Lid: 26297  
        Lid: 16585   StoreEc: 0x50C     
        Lid: 32441  
        Lid: 1706    StoreEc: 0x50C     
        Lid: 24761  
        Lid: 20665   StoreEc: 0x50C     
        Lid: 25785  
        Lid: 29881   StoreEc: 0x50C     
    Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.140).aspx?v=14.3.224.2&t=exchgf1&e=ms.exch.err.Ex7E66C2
    Exchange Management Shell command attempted:
    'ab.ad/CD/Users/doe, john' | New-MoveRequest -TargetDatabase 'Carlsbad_Mailbox'
    Elapsed Time: 00:00:00
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    any help is appreciated,

    Hi Cudflyn,
    Base on my search, you can try to increase the TCP Keep Alive Time for the servers involved in the move.You can refer to the following
    article to increase it:
    Mailbox Move Error - 'Couldn't switch the mailbox into Sync Source mode'
    Note: Just REMEMBER to DELETE the registry entry when the mailbox moves are compete!
    Best regards,
    Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
    Niko Cheng
    TechNet Community Support

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