Dcpromo /forceremoval

http://support.microsoft.com/?id=216498

http://technet.microsoft.com/en-us/library/cc736378.aspx

is it gone?
http://searchwinit.techtarget.com/tip/0,289483,sid1_gci1311665,00.html
C:\>repadmin /showobjmeta *"cn=hpqbox-dc03,ou=domain controllers,dc=hpqbox,dc=a dapps,dc=hp,dc=com" >objmeta.txt