There are more methods you could consider to disable the services like from GUI, commands, registry and so on.
1.Take "Disable a Service using "Sc Config" Command in Command Prompt" as example:
Type the command below into the elevated command prompt
sc config "service name" start=disabled
*The Service name of a service is displayed in the service's properties.
After successfully run the command, it will return message like: [SC] ChangeServiceConfig Success.
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2.If you would like to modify service via GPO, it is required to process for policy as instructed below:
How To Configure Group Policies to Set Security for System Services
Hope this helps and please help to accept as Answer if the response is useful.