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Windows SBS 2003 R2 network innacessible

Posted on 2008-10-04
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Last Modified: 2012-05-05
Hello.

I have a Windows SBS 2003 R2 running a .local domain, call it mydom IP: 192.168.1.50
Everything went pear shaped yesterday when I transfered the DHCP from another server on our network to the to the SBS machine. The SBS machine is the domain controller

I can no longer connect from a client machine to the server.
I can log on to the domain.
The cilents see none of the other machines or the server.
The server cannot see any of the clients (all clients are XP machines).
The SBS has Exchange running and I can connect to it from the web.

This may not be very clear as I had a short night.

Any help would be greatly appreciated.
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Question by:Daunted
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Expert Comment

by:Lee W, MVP
ID: 22641302
What was the the scope of the original DHCP server, what's the scope of the 2003 server's DHCP server, what are your DNS settings on the server and the workstations (a copy and paste/screen shot of IPCONFIG /ALL From both the server AND one client that doesn't work would be very helpful).
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Author Comment

by:Daunted
ID: 22641362
The scope on the old server was : 192.168.1.5 to 192.168.1.170. Its IP was : 192.168.1.111
Here are some screenshots from the new server.
Hopefully they'll be able to help

ipcSE.JPG
ssdhcp2.JPG
ssdhcp.JPG
ssdns.JPG
sswins.JPG
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LVL 97

Expert Comment

by:Lee W, MVP
ID: 22641388
can you provide a screen shot of IPCONFIG /all from a workstation?
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Author Comment

by:Daunted
ID: 22641396
Screenshot from client machine
client.gif
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Author Comment

by:Daunted
ID: 22641418
The clients information is not entirely exact because had to switch the old server's dhcp back on to get to debug. I'll shut it all down and post a new screenshot - but it may take a short while.
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Author Comment

by:Daunted
ID: 22641454
Looks pretty similar to me ...
Sans-titre-1.gif
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LVL 97

Expert Comment

by:Lee W, MVP
ID: 22641460
Hmm... not seeing any good reason for this... other than a possible problem on the server... have you checked your event logs?   Verified there is no active firewall on the server?  (I was hoping you had incorrect DNS or subnet settings, but that's not the case).
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Author Comment

by:Daunted
ID: 22641568
The server logs indicate no errors or warnings.
Did I say that I couldn't even ping the router 192.168.1.3 from the server and yet I can get on the internet without any problems.
I felt that it was probably something to do with the firewall - but it's not on.
The SBS has 2 NICs but I'm only using 1 and the other is turned off - could this be a problem ?
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Author Comment

by:Daunted
ID: 22641595
Am I not missing a _msdcs.mydom.local in the DNS ?
I'm sure there was one there before.
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Accepted Solution

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Daunted earned 0 total points
ID: 22641776
I've gone backwards and now everything is working again.
I'm back to square-one. But thank you for your help.

If anyone else encounters this problem I would be interested to learn of it.
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