Issues in Replying or Formawarding Email Messages

15 pts.
Microsoft Exchange
Microsoft Windows
SQL Server
We are currently doing an Exchange migration from 5.5 to 2003 Exchange Server. Two of the user mailboxes that we have just moved have suddenly have issues replying or forwarding emails with or w/o attachments. They received the following error messages: John xxx on 4/26/2007 4:02 PM The e-mail system was unable to deliver the message, but did not report a specific reason. Check the address and try again. If it still fails, contact your system administrator.The MTS-ID of the original message is:c=US;a= ;p=xxxx xxxx;l=XXXX-070426200158Z-1638 MSEXCH:MSExchangeMTA:XXX:XXXXX They can send new messages to email addresses that they were replying to. Mostly the recipients are internal users. Thanks You in Advance! Santiago

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*** Updated on 11/21/2007 by Wrobinson ***

Make sure that the LegacyExchangeDN is being migrated for the users. This is how Outlook addresses messages to users in Exchange. Please refer to the following article

*** End Update ***

Dear Santiago
do you still have the exchange 5.5 online? If so ask the users to retrieve their mail to local pst files. Delete the mailboxes and recreate them again. There seems to be a specific problem in the migration process!!
What is the size of those mailboxes? Are they larger than the other successfully migrated boxes?

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  • Sdr0715
    AdTechJO, Yes I still have Exchange 5.5 server online since I have not finished moving user mailboxes yet, I doing this slowly so if issues comes up it easier to solve with a small group rather than a bigger one. Anyway the mailboxes are small, could you elaborate on what kind of issues are related to moving mailboxes from 1 server to another. Thanks, Santiago
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  • BIGFella
    sdr0715 this may seem a bit simplistic and obvious but give it a go if you have not allready tried it. Stop and restart the mailbox store in question on the 2003 server, I experienced similar issues sending and receiving and or connecting to the mailboxes after performing a bulk migration using the mailbox move command from ESM; this problem did not occur for me atleast when using the ADUC to migrate individual mailboxes.
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