Using OMAPI to remove leases on isc DHCP

Glenn Satchell Glenn.Satchell at
Sat Nov 28 10:29:05 UTC 2009

>Subject: Re: Using OMAPI to remove leases on isc DHCP
>From: Chris Buxton <cbuxton at>
>Date: Fri, 27 Nov 2009 20:05:41 -0800
>To: Users of ISC DHCP <dhcp-users at>
>On Nov 27, 2009, at 5:24 AM, Glenn Satchell wrote:
>>> we are using isc dhcp ver. 3.0.3 on SLES10. My question is, can active
>>> leases be deleted using omshell?
>>> I tried this an in tells me something like this:
>>> "can't destroy object: not implemented"
>> You can't destroy a lease on the server, because the client may still
>> be using that IP address.
>Yes you can. You can release leases via omshell. However, you must be
>running DHCP version 3.0.6 or later, as I recall.

Ok, you can release it on the server, but the client may not notice,
and keep on using the address until the original expiration or the next
time it tries to renew. I think that was originally meant as a way to
reclaim leases from clients that "went away" without releasing the

>Version 3.0.3 is really old. You (the original poster) should upgrade.

Yes, agree with that!

Glenn Satchell                            |  Miss 9: What do you
Uniq Advances Pty Ltd, Sydney Australia   |  do at work Dad?
mailto:glenn.satchell at         |  Miss 6: He just tel:0409-458-580   |  types random stuff.

>Chris Buxton
>Professional Services
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