1. Install group policy manager on a PC that has the service you to want to disable on it
2. Right Click on Group Policy Objects and click New
3. Name the Policy Accordingly
4. Now select that GPO and right click and hit Edit
5. Select Computer Configuration -> Window Settings -> Security Settings -> System Services
6. In the list of services select the service you want to disable
7. Right click and select properties
8. Click Define this policy setting leave security at default
9. Set service startup mode as disabled. Click ok
10. Right click on the OU you want to apply this policy to and click Link Existing GPO