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Thread: Exchange 2003 Migration Issues

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  1. #1
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    Angry Exchange 2003 Migration Issues

    To the Devs,

    First and foremost, I am a proud licensee of the software. I can't explain how liberating it is to find a product that competes in the same back yard as Exchange.

    Simply brilliant.

    On to the issues.

    I'm currently migrating to from a Windows SBS 2003 server to an Ubuntu 6.10 + Zimbra NE setup.

    I seem to have some issues running the migration wizard. I have successfully imported 10 of the 12 accounts, with varying results.

    I always receive the 899351 KB Microsoft warning which I have no idea how to resolve. I have followed the Regsvr directions to no success, so I will look to manually importing the Calendars.

    However, I continue to have issues migrating two user accounts. They have ~7.500 and ~9.500 items to import, and they both get to about 70% before a fatal error that stops them dead in their tracks. It's curious however, because I successfully imported another account that was close to ~10.000 items with no issues. I am running the migration wizard directly on the Exchange 2003 server as the Administrator. The Zimbra server exists across a 4.6Mbit connection to my data center.

    I get a COM exception 80004005 error with approximately 10-15 "Message too large" warnings.

    This is getting somewhat frustrating as the two accounts i'm trying to import are the most important, and I must have resolve somewhat quickly.

    Other than that. This is a brilliant product. My only last gripe is that i'm patiently awaiting a proper Outlook 2007 MAPI connector + Migration tool.

    Any input would be greatly appreciated.

    Regards,

    Jordan Williams
    DynaTek Media Corporation
    Director of Technology

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Hi

    Welcome to the forums.

    Do you actually know the size of the messages that are causing the problems? You can change the message size that Zimbra accepts with the following commands:
    Code:
    zmprov mcf zimbraMtaMaxMessageSize 51200000
    zmprov mcf zimbraFileUploadMaxSize 51200000
    Obviously change the file size to something that is in excess of the ones causing the problem and run the commands as the Zimbra user. If you don't know the size then just increase it to 50MB for example. You can get the defaults for the fields by running the above commands with 'gcf' (and no parameter) instead of 'mcf'
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
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    Quote Originally Posted by phoenix View Post
    Hi

    Welcome to the forums.

    Do you actually know the size of the messages that are causing the problems? You can change the message size that Zimbra accepts with the following commands:
    Code:
    zmprov mcf zimbraMtaMaxMessageSize 51200000
    zmprov mcf zimbraFileUploadMaxSize 51200000
    Obviously change the file size to something that is in excess of the ones causing the problem and run the commands as the Zimbra user. If you don't know the size then just increase it to 50MB for example. You can get the defaults for the fields by running the above commands with 'gcf' (and no parameter) instead of 'mcf'
    Phoenix,

    Thanks for the swift reply.

    I will try this setup and see where I get in regards to the warnings. I'm a little confused however, and does this mean that if the warnings are kept to a minimum I won't receive the deadly COM Exception?

    Thanks!

    Jordan Williams
    DynaTek Media Corporation
    Director of Technology

  4. #4
    phoenix is offline Zimbra Consultant & Moderator
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    Actually the code is a MAPI_E_CALL_FAILED which is a generic error. If it gets that error and then complains about the message size make the changes I suggested and try those accounts again. If there's a further problem let us know what happens.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
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    Quote Originally Posted by phoenix View Post
    Actually the code is a MAPI_E_CALL_FAILED which is a generic error. If it gets that error and then complains about the message size make the changes I suggested and try those accounts again. If there's a further problem let us know what happens.
    Thank you!

    I am currently attempting to migrate the problematic accounts now. I will post the results.

    Also, any ideas how I can get the calendar issue to be resolved? It says to refer to Microsoft KB 899351 and I've followed that solution, but the system still gives me the error and does not transfer the calendar information. Again, it's not the most critical problem at the moment as I can use manual migration methods to transfer that data, but it would be nice to understand the root cause.

    Regards,

    Jordan Williams
    DynaTek Media Corporation
    Director of Technology

  6. #6
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    Quote Originally Posted by JordanPWilliams View Post

    Also, any ideas how I can get the calendar issue to be resolved? It says to refer to Microsoft KB 899351 and I've followed that solution, but the system still gives me the error and does not transfer the calendar information. Again, it's not the most critical problem at the moment as I can use manual migration methods to transfer that data, but it would be nice to understand the root cause.
    Does the Administrator (the admin account used for migration) have Send-As/Receive-As permissions on the 'Administrative Groups' or Servers or 'Mailbox Store' of the users that are getting migrated?

    Are you able to migrate calendar data for any other user apart from the 2 accounts you have mentioned?

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