Undelerverable messages exchange 2003

Posted on 2009-02-10
Last Modified: 2012-05-06
We migrated my mailbox from one exchange server to another. My SMTP's are all correct and the mailbox is working fine. However when I go to reply to all or reply to a message that were previously in my old mailbox, I get             The message could not be delivered because the recipient's destination email system is unknown or invalid. Please check the address and try again, or contact your system administrator to verify connectivity to the email system of the recipient.
If I freight click on the contact in the TO or CC field and select properties, there are no properties. I made a new prifile, new ost and downloaded address book from the GAL, however I still have the same problem.
Just to confirm that if I pick names of the GAL or reply to new messages there is no problem only when i try to reply to emails that were previously in an old mailbox.
Question by:kwatt562
    LVL 65

    Accepted Solution

    How exactly did you migrate?
    Did you use exmerge or move mailbox?
    If this was to a new domain via Exmerge then the behaviour you are seeing is to be expected. The internal addresses are different on the new server.

    Some people have said that you can configure X.500 addresses on each account in ADUC, but that has been unreliable for me in the past so isn't something I do. You will need to open the message, hit reply and then delete the recipient and choose them fresh.


    Author Comment

    We copied mail to a pst from Outlook we were unable to exmerge

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