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Exchange 2010 and Exchange 2003 connector issue

Posted on 2011-03-23
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Last Modified: 2013-11-30
We are getting event id : 891 error when we try to send a email from exchange 2010 to exchange 2003 user .

I am half way in migration and exchange 2003 and exchange 2010 co-exist.

Exchange 2010 users can send mails outside, can send to 2003 users. but when 2003 users send email to 2010 it just sits in the queue and in the event viewer i am getting the 891 error which says that it found the target domain but don't know how to reach it.
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Question by:satck
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Expert Comment

by:Glen Knight
ID: 35201703
Could be a problem with the default configuration of the Default SMTP Virtual Seever, see my guide here in how to resolve it if it is.
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satck earned 0 total points
ID: 35201972
Don't worry. we recreated the smart host and it works.

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LVL 74

Expert Comment

by:Glen Knight
ID: 35202005
what do you mean you recreated the smart host? what did you do?
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Author Closing Comment

by:satck
ID: 35230121
Solved the problem on my own
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