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Thread: migrate from exchange 2010 to zcs 8.0.3, got error every 30 users.

  1. #1
    Join Date
    May 2008
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    Default migrate from exchange 2010 to zcs 8.0.3, got error every 30 users.

    Dear all

    I want to migrate users from exchange 2010 to zimbra.
    I start zimbra migration wizard and query the users1~user100.
    I select 100 users and press next, it returned error message every 30 users. It said:

    Error accessing account user31@exmaple8.com. The remote server returned an error503) Server Unavailable.
    Error accessing account user62@exmaple8.com. The remote server returned an error503) Server Unavailable.
    Error accessing account user93@exmaple8.com. The remote server returned an error503) Server Unavailable.

    How do I resolve this error?

    1.gif
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    3.gif

  2. #2
    Join Date
    May 2007
    Location
    Zimbra
    Posts
    1,285
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    Default

    This is likely the DoS filter in ZCS 8. You need to whitelist the IP address of the migration host so it is not affected by the DoS filter.
    Quanah Gibson-Mount
    Server Architect
    Zimbra, Inc
    --------------------
    Zimbra :: the leader in open source messaging and collaboration

  3. #3
    Join Date
    May 2008
    Posts
    8
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    Default

    Thanks! It is caused by DoS filter.

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