Released a tool, come on, a reg entry which switches off the service and a command line net stop command to stop the service... Doh! Don't bother downloading this... here are the details. [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesSNMP] "Start"=dword:00000004 and to stop the snmp service... how easy! NET STOP "SNMP" So put these details into a logon script. And listed by Microsoft "The SNMP service is neither installed nor running by default in any version of Windows."