Hi , Can someone clarify the below query. 1.Is it required the below entry controls in 2000 and 2003 environment?. Why? 2.Is it defined already in Group policy for 2003 ? 3. Below values not defined in registry value of 2003 .Can i add this in secregvl.inf file to apply Group policy for OUs. Under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ RasMan\Parameters AutoShareWks - Value 0 Under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ SecurePipeServers RestrictAnonymous -value 1 CrashControl AutoReboot - Value 0 Thanks and Regards, Ranjan