how to clean ghost server object from AD
ADSI: DC ou,
system\file replication service\domain system volumn
Ntdsutil
metabase cleanup
DNS
NS/A records
see: Q216498
Apr 28, 2004
FileMon, RegMon from www.sysinternals.com to monitor which file(s), registry is being accessed
if want to know which AD object is being accessed, use netmon