Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip autodhcp delete exclusion ?
Usage: delete exclusion [exclusion=]
address - An IP address already exlcuded from the DHCP allocator
Remarks: Deletes an IP address previously excluded from the DHCP allocator
delete exclusion exclusion=10.0.0.1