Router or Server DHCP

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Im just about to set up a server in a small office with 10 workstations. Is it best to always use dhcp in windows server or can I just use the router for dhcp. Im thinking that if the server fails or goes off they will still have internet access which is quiet important. Will it work this way without any dns issues or could it cause problems?
 
If the DNS is running on the server (which it will be if it's a Windows Domain) then you'd effectively lose web access if the server is down. This would apply to existing and newly connected clients.

Thanks, that answers my question. I will use dhcp on the server. Cheers
 
Use the server.

Don't do as the_jetsetwilly suggested, it can cause problems. Just point the clients to the the DC for DNS.

If you're that worried get another DC in place.

I had thought of the previous suggestion but was worried about dns, thus my question. No possibility of having 2 DC's at the moment due to budget, but I can do that at a later date. Server dhcp it is then.
 
Why don't you setup DHCP on the router and DC? This is called split scope configuration:

http://technet.microsoft.com/en-us/library/cc757346(WS.10).aspx

On both DHCP servers, hand out the DC DNS first and the routers DNS second. It is important that the DC DNS is first in the list so a workstations can perform local DNS lookups before the DC looks at root hints/forwarder.

If the DC goes offline, you can still receive an IP and browse the internet (I recommend a second DC for fault tolerance). If your router goes offline, the domain lookups will still work but you won't be able to access the internet :(

Ill have a look at this. Working on them at the moment to stretch to an additional server.
 
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