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  • Status: Solved
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DHCP keeps stopping

Why would a DHCP server on our sbs 2008 simply stop working?

A server reboot has fixed the issue but this has happened several times over the last few weeks?
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MadPC
Asked:
MadPC
1 Solution
 
Alan HardistyCo-OwnerCommented:
The usual reason is because there is another DHCP server on the network somewhere and the Hardware DHCP Server will always win over software DHCP!

Have you got it enabled on your Router / Wireless Access Point or other network device?

Alan
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Miguel Angel Perez MuñozCommented:
Or maybe you are running out of IP address to lease, ensure your scope has enough or reduce lease time.
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Alex Green3rd Line Server SupportCommented:
Running out of IP addresses wouldn't cause the DHCP service to fail. It would just stop dishing out IP's.

Is there anything in your event log?
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Detlef001Commented:
It can be for the following reason .

First either its like there can be something at the event logs.

Please check it out that have you enable the fireball profile and do check, anything of note in the DHCP server log? Windows\System32\DHCP.

Thanks.
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Gary ColtharpSr. Systems EngineerCommented:
If there isnt another DHCP server on the network, another reason SBS 2008 might do this is if you have more than one network adapter configured on your server. SBS wants a single interface.

HTH

Gary
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MadPCAuthor Commented:
Took a bit of finding but a new internet connection/router had been added to the network which no-one really new about and operated as a spare connection, the router was hidden away but I eventually found it!
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Alan HardistyCo-OwnerCommented:
That's the usual problem.  Someone adds one to the network and forgets to tell you.

I've even had one that was working happily with DHCP disabled and it magically rebooted itself and lost it's settings, so went back to factory settings with DHCP enabled.  That caused a few problems until the unit was located.

Glad you got it sorted and thanks for the points.

Alan
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