On Windows Server 2008 R2, I look at the DHCP log lease roster and see several leases whose status is "Deny," but their lease doesn't expire for several days. Why are they being given a lease if they're denied access? And how do I stop this,
since our network is a little crowded and I don't want to run out of IP's due to idiots trying to log onto our network without a user account or password?
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