client ws no longer gets ip from dhcp service

nigelbeatson
nigelbeatson used Ask the Experts™
on
having recently had problems on our windows 2012 r2 dc, we carried out quite a lot of troubleshooting and resetting if things. one of them was to remove the virtual nic and add it back in again.

since then, when we reboot a client it cannot pull through ip addresses using dhcp. if i configure the ip manually, it works fine.

can anyone advise whether replacing the vm nic should affect dhcp, and if so how can i resolve this?

any suggestions much appreciated.
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Commented:
Could be, check if the DHCP server is still bound to the current working NIC

Author

Commented:
is that in the dhcp module?

thanks

Commented:
In dhcpmgmt.msc, right mouse click on the leaf BELOW DHCP (the server name) > Add/Remove Bindings....
In the IPv4 tab, it should have a value of a current IP nr/NIC and the checkbox in front of it should be checked (Obviously, if you meant IPv6, same applies for the IPv6 tab)
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Author

Commented:
thanks

yes, the nic is detailed here / correct name and ip address?

any other suggestions?
Commented:
Restart service or whole server. Check the DHCP logfile, and the eventlog for anything out of the ordinary.

Author

Commented:
that did it! many thanks. i reset the dhcp server service and de authorised then re authorised it, and all fired into life!

many thanks to all.

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