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SBS2003 cant connect to network after power supply failure.

Posted on 2012-08-20
Medium Priority
Last Modified: 2012-11-01
I have a SBS2003 that has been working for years.  Had the power supply fail a couple of days ago, put one in from another box that works (the server is old and couldnt find a new one).  I'm getting ready to switch to a newer server with SBS2011, but need this one to run for another week.  

Now this one cant connect to the network and i have all the computers on the network running on alternate manual IP addresses.  The server cant ping the router/default gateway.  

I have already (no particular order) -

- put another NIC in the server and tried that, disabling the first one
- run the internet connection wizard
- checked that the rest of the network can connect to the gateway and the internet
- switched to a different ethernet cable
- connected directly to the router
- switched ports that the sbs2003 is connected to on both the switch and the router
- the router seems to be working fine, I'm sending this through it
- can ping the server IP from inside the server
- can't ping the router from inside the server
- the configuration is the one with only one NIC

Question by:niadenud
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LVL 12

Expert Comment

ID: 38312212
where is your dhcp, is it the router or the SBS itself ? if its SBS try to enable the dhcp from router and check if you are able to receive auto ip.

Author Comment

ID: 38312239
Yes, I can use the router for DHCP, did it for a while when I was getting the new power supply.  As far as I know, the DHCP needs to work from the SBS2003 when it is up and running, something about active directory.

The SBS2003 has been the DHCP.
LVL 12

Expert Comment

ID: 38312265
Yes its in DHCP , better you go to to start menu ---> programs ---> administrative tools ---> dhcp and expand ipv4 , right click and stop the dhcp and let the router take care of the dhcp and try if it works.
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Author Comment

ID: 38312471
ok, turned off DHCP on the SBS2003 (had to turn off DNS first), no difference.

couple of things I forgot to mention, the message I get when I try to run repair from the Network connection is
- "could not compete ARP cache could not be cleared"  
- when I ping the router i get "destination host unreachable"

Author Comment

ID: 38312474
the DCHP on the router appears to be working fine, tried the internet from a workstation, get internet and network fine.  Just the sbs is not connecting to anything.
LVL 12

Expert Comment

ID: 38314165
Do one thing, try upgrading to the latest service pack of windows SBS2003 or if you have any previous Service Pack installed , uninstall and re install it again plus refer to the following link below :

Referred Link :
LVL 12

Accepted Solution

ibrahim52 earned 1500 total points
ID: 38314217

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