Solved

Exchange 5 "Host not found" error

Posted on 1998-04-16
5
185 Views
Last Modified: 2013-12-23
I'm using Exchange Server 5 (w/ SP2) on NT 4.0. Sometimes users cannot send messages  and get an " Host
Unknown" error. We run our Primary DNS (NT's DNS Manager), Exchange and NT on the same server. We have tested the DNS server which did not give any errors.

> > -----Original Message-----
> > From:      System Administrator
> > Sent:      Wednesday, March 25, 1998 4:45 PM
> > To:      Dan Goldberg; Ed Dougherty
> > Subject:      Undeliverable: RE: BOM Items Issue-4
> >
> > Your message did not reach some or all of the intended recipients.
> >
> >       Subject:      RE: BOM Items Issue-4
> >       Sent:      3/25/98 4:45 PM
> >
> > The following recipient(s) could not be reached:
> >
> >       Dan Goldberg on 3/25/98 4:45 PM
> >             The recipient name is not recognized
> >             MSEXCH:IMS:kinergy pte ltd:KINERGY:S1 3902 (000B0981) Host
> > Unknown
> >
> >       Ed Dougherty on 3/25/98 4:45 PM
> >             The recipient name is not recognized
> >             MSEXCH:IMS:kinergy pte ltd:KINERGY:S1 3902 (000B0981) Host
> > Unknown
> >

0
Comment
Question by:chewfh
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 4
5 Comments
 
LVL 3

Accepted Solution

by:
mpopal earned 100 total points
ID: 1571832
The error that your getting from the Non Delivery Report is due to either the domain name for the recipient is not correct or the recipient does not exist on that domain's mail server.
The Internet has "Global" Domain Name Servers that resolve Domain Names to systems. If this domain name is not found, it cannot be routed any further.
An NDR on a message with the correct domain name but the incorrect user name looks like the following:


   Your message did not reach some or all of the intended recipients.

      To: 'hello@cibc.ca'
      Subject: test
      Sent: 3/27/97 11:21:30 AM

   The following recipient(s) could not be reached:

      hello@cibc.ca on 3/27/97 11:21:30 AM
            Recipient Not Found
            MSEXCH:IMC:CIBC:SCCB:NT70177PDC

This error is a "Recipient Not Found" error. The mail got to the other system, but the username (Hello, in this example) did not exist. This error is again most likely due to a sender's addressing error. Check the address again, and resend.

You can also read the article at knowledge base. Navigate to http://support.microsoft.com/support/kb/articles/q168/5/57.asp.

Good luck.
0
 

Author Comment

by:chewfh
ID: 1571833
The domain name for the recipient IS correct an the recipient DOES exist on that domain's mail server. The sender has been using the same e-mail addresses all along. When I use NSLOOKUP to check the destination server, it is working fine. The DNS Manager on our NT server is also set up by a Microsoft SOlution Provider. Could it be the address book's use of 'Display Name' is having a problem?
0
 

Author Comment

by:chewfh
ID: 1571834
The domain name for the recipient IS correct an the recipient DOES exist on that domain's mail server. The sender has been using the same e-mail addresses all along. When I use NSLOOKUP to check the destination server, it is working fine. The DNS Manager on our NT server is also set up by a Microsoft SOlution Provider. Could it be the address book's use of 'Display Name' is having a problem?
0
 

Author Comment

by:chewfh
ID: 1571835
The domain name for the recipient IS correct an the recipient DOES exist on that domain's mail server. The sender has been using the same e-mail addresses all along. When I use NSLOOKUP to check the destination server, it is working fine. The DNS Manager on our NT server is also set up by a Microsoft SOlution Provider. Could it be the address book's use of 'Display Name' is having a problem?
0
 

Author Comment

by:chewfh
ID: 1571836
The domain name for the recipient IS correct an the recipient DOES exist on that domain's mail server. The sender has been using the same e-mail addresses all along. When I use NSLOOKUP to check the destination server, it is working fine. The DNS Manager on our NT server is also set up by a Microsoft SOlution Provider. Could it be the address book's use of 'Display Name' is having a problem?
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Enterprise networks where VoIP phones have been deployed frequently use port configurations that allow both a computer and an IP phone to be plugged into the same switch port but use different VLANs. On Cisco equipment I'm referring to the "native V…
This is the first one of a series of articles I’ll be writing to address technical issues that are always referred to as network problems. The network boundaries have changed, therefore having an understanding of how each piece in the network  puzzl…
Michael from AdRem Software explains how to view the most utilized and worst performing nodes in your network, by accessing the Top Charts view in NetCrunch network monitor (https://www.adremsoft.com/). Top Charts is a view in which you can set seve…
This is my first video review of Microsoft Bookings, I will be doing a part two with a bit more information, but wanted to get this out to you folks.
Suggested Courses
Course of the Month10 days, 22 hours left to enroll

632 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question