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Missing Calendar items after Mailbox move between Exchange servers

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  • Missing Calendar items after Mailbox move between Exchange servers

    Hi all,

    I am currently in the process of migrating users mailboxes from Exchange 2003 SP1 to Exchange 2003 SP2 which resides in a different (trusted) domain. ADMT V3.0 has been successfully used to migrate the AD user accounts and associated SID's etc.

    The problem I have is about 15% of users are reporting that a small percentage of calendar items are missing after the mailbox migration.

    The destination Exchange server (and version of the Exchange migrator) is version 6.5.7638.1 and the source Exchange server is version 6.5.7226.0

    I am aware of this issue when using pre SP2 versions of the Exchange migration wizard when migrating from Exchange 5.5 to 2003 but this is not the case as stated here - and I am currently preparing to raise the SP level of the source Exchange server to see if that resolves the issue.

    Both domains are in 2003 Native mode
    Both Exchange servers run Windows Server 2003 Enterprise Edition

    Any help anyone might be able to give me on my first post to this forum would be greatly appreciated as I have over 5000 users mailboxes to migrate in the near future