Has an address record but no DHCID, not mine.

Bill Shirley bill at c3po.polymerindustries.biz
Wed Jul 26 09:21:27 UTC 2017

Could this be because a laptop has both a wired and wireless connection?  Look in the
log files for the MAC addresses acquiring the leases.

Posting your dhcpd.conf may help.


On 7/18/2017 8:15 AM, Zenz, Thomas wrote:
> Hi to all,
> We are using dhcp-4.3.5 in failover on two machines.
> Because of problems with DDNS I had to check our config and now I have some questions.
> We are using update-style standard and  update-conflict-detection true.
> Is it possible to have the two servers use one ID to calculate the DHCID?
> Right now I get the error log: "Has an address record but no DHCID, not mine."
> I think that happen, when the other Server tries to rewrite the Name. Because of WLAN to LAN changes the Hostname changes its IP up to 13 time per Day...
> I didn't find an option for that.
> Kind Regards
> Ing. Thomas Zenz
> IT-Operations
> Oesterreichische Nationalbank
> Garnisongasse 15, 1090 Wien
> T:+43(0)1 40420-2744
> F:+43(0)1 40420 04-2744
> M: +43(0)664 1426188
> thomas.zenz at oenb.at
> www.oenb.at
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