How do I clear out old discovered subnets that no longer exist in IPAM? I have tried to import adn delete and they still show up as discovered, and there is no reference to them on my DHCP servers anymore.
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Are you sure the scopes do not exist on any DHCP severs? Try deleting the subnets again, and if they show back up, add the column for the Scope Name and see where they are coming for and double check that the scope does not still exist.
I have done that, and as soon as i delete the subnets out, they show back-up in the discovered. the date on the deiscovery is 2-11-2011. I have verified that there is no record of the subnets on the domain controller, as I removed them 3 months ago.
I have noticed the same behavior in my environment. I currently have 25 DHCP scopes that show up as discovered but have been deleted from our DHCP server. I've also tried adding them back into IPAM and then deleting them. They immediately show back up in the list of Discovered Scopes, Not Added to IPAM.
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