Right. Just note that this policy only sets the startup-type (and permissions) on services. It does not start or stop a service. If you need that, you will need to either reboot or use GP Preferences’ Services feature, which does let you start/stop services as a function of GP processing Darren From: gptalk-bounce@xxxxxxxxxxxxx [mailto:gptalk-bounce@xxxxxxxxxxxxx] On Behalf Of Frank Sent: Friday, December 05, 2008 12:23 PM To: gptalk@xxxxxxxxxxxxx Subject: [gptalk] Re: Windows Time Service You can control the state of services via GPO under: Computer Configuration | Windows Settings | Security Settings | System Services On Fri, Dec 5, 2008 at 3:17 PM, Knapp, Norman <Norman.Knapp@xxxxxxxxxx> wrote: I found a gpo setting to disable the ntp client. When I implement the setting, the time service is still running. How can I either disable the service or know for sure the client is not receiving requests.