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Extreme long cross forest migration from 2010 to 2016 RRS feed

  • Question

  • I’m doing cross forest Exchange migration from Exchange 2010 to Exchange 2016. If I look at the logs it takes   around 2h to start moving… Following is in the logs..

     

    07.08.2016 15:54:32 [Exchange2016] The Microsoft Exchange Mailbox Replication

    service 'Exchange2016.domain.com' (15.1.466.34 caps:03FFFF) is examining the

    request.

    07.08.2016 15:54:32 [Exchange2016] Connected to target mailbox

    '8bf397e5-b518-4ebc-99b9-773091c474a2 (Primary)', database 'DB_MIG',

    Mailbox server 'Exchange2016.domain.com' Version 15.1 (Build 466.0).

    07.08.2016 15:54:32 [Exchange2016] Connected to source mailbox

    '8bf397e5-b518-4ebc-99b9-773091c474a2 (Primary)', database 'DB_source',

    Mailbox server 'Exchange2010.domain.local' Version 14.3 (Build 294.0), proxy

    server 'Exchange2010.domain.local' 14.3.227.0 caps:05FFFF.

    07.08.2016 15:54:32 [Exchange2016] Transient error

    SourceMailboxAlreadyBeingMovedTransientException has occurred. The system

    will retry (6/620).

    07.08.2016 15:55:07 [Exchange2016] The Microsoft Exchange Mailbox Replication

    service 'Exchange2016.domain.com' (15.1.466.34 caps:03FFFF) is examining the

    request.

    Friday, August 12, 2016 5:19 PM

Answers

  • Hi

    Here is a similar thread:

    https://social.technet.microsoft.com/Forums/exchange/en-US/f955fa0e-7b1d-4552-a721-7e96f464ff4d/move-mailbox-fails-sourcemailboxalreadybeingmovedtransientexception?forum=exchangesvradminlegacy

    Setting the keep-alive to the maximum value may help.


    Edward van Biljon - Exchange MVP

    Monday, August 15, 2016 4:35 AM
    Moderator

All replies

  • Hi

    Here is a similar thread:

    https://social.technet.microsoft.com/Forums/exchange/en-US/f955fa0e-7b1d-4552-a721-7e96f464ff4d/move-mailbox-fails-sourcemailboxalreadybeingmovedtransientexception?forum=exchangesvradminlegacy

    Setting the keep-alive to the maximum value may help.


    Edward van Biljon - Exchange MVP

    Monday, August 15, 2016 4:35 AM
    Moderator
  • Hi,

    Have you seen any error when moving the mailbox?

    How do you migrant the mailboxes?

    I suggest you refer to the following official article to finish the migration:

    https://blogs.technet.microsoft.com/meamcs/2011/06/10/exchange-2010-cross-forest-migration-step-by-step-guide-part-i/

    Regards,



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    David Wang_
    TechNet Community Support

    Monday, August 15, 2016 7:56 AM
    Moderator