Hi, so we are having a very strange issue with our DHCP server. This is an intermittent issue that does not happen with every server, but does happen repeatedly.
Here are the symptoms. A server will perform a DHCP request. It will receive an IP address and can be pinged by IP. In the DHCP audit logs, we see a series of messages like this.
11,04/28/14,14:39:36,Renew,10.3.14.131,IMC.xxxx.com,005056B16ED9,,3590494434,0,,,,0x4D53465420352E30,MSFT 5.0,,,
30,04/28/14,14:39:36,DNS Update Request,10.3.14.131,IMC.xxxx.com,,,0,6,,,,,,,,
11,04/28/14,14:39:36,Renew,10.3.14.131,IMC.xxxx.com,005056B16ED9,,3590494434,0,,,,0x4D53465420352E30,MSFT 5.0,,,
32,04/28/14,14:39:36,DNS Update Successful,10.3.14.131,IMC.xxxx.com,,,0,6,,,,,,,,
32,04/28/14,14:39:36,DNS Update Successful,10.3.14.131,IMC.xxxx.com,,,0,6,,,,,,,,
However, in the DHCP console, there is no lease listed for the machine. As well, the DNS record for the machine does not get created.
If we run an ipconfig /renew or ipconfig /registerdns on the offending machine, the problem will be corrected. However, we have a large corporate network and this is not a viable solution going forward as we have no indication when the problem has occurred except when something breaks because it can't resolve the name.
Does anyone have any ideas how this could be happening? It's very strange that there are success messages in the logs and yet nothing in the address leases field.