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Small Business Server Support Forum    
Forums > Microsoft Small Business Server 2003 & 2000 > Small Business Server 2003
Subject: SMTP could not connect to any DNS server
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Jonathan Clarke User is Offline
United Kingdom
Member since
6/6/2007

Registered Users
Posts: 247
8/29/2008 10:18 AM  
Hello.
 
This morning I came in to work to find that none of our client desktops were connected to the network and the server had no internet connection.
 
There are lots of errors in the event logs culminating in a problem with the internal LAN nic.
 
However, the first sign of any problem is EventID 4000 from MSExchange transport in the Application section. It says SMTP could not connect to any DNS server. There is also EventID 2012 from smtpsvc in the System section. It says SMTP could not connect to the DNS server 194.*.*.* ip address which I don't recognise.
 
This happened well after everyone had left for the evening and has happened before a few times.
 
Can anyone tell me what might be causing this?
 
Thanks a lot.
Marina Roos User is Offline
The Netherlands
Member since
3/24/2005

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Posts: 12626
8/30/2008 03:26 PM  
Hi Jonathan,
 
If the server hasn't got internet access, it makes sense that you are getting exchange smtp errors.
Please, post an ipconfig /all from the server and a workstation. Open a command prompt by opening Start -> Run from the Start Menu and type cmd. From the command prompt type ipconfig /all >ip.txt. Attach this file to your answer.
Marina Roos Smallbizserver.Net AdministratorMission accomplished. We have joined the branch office to our SBS 2003 Headquarters and have the same user experience on the branch office as we have on our local  network at the Headquarters. Want to know how? Signup up for a subscription and get instant access to the article series 'How to add an additional Domain Controller from a remote office to the SBS domain'
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Forums > Microsoft Small Business Server 2003 & 2000 > Small Business Server 2003 > SMTP could not connect to any DNS server


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