This can be done using enterprise manager(em) console.
Just follow the simple steps to disable the services.
1) Login into the em console(http://localhost:7001/em)
2) Navigate to the SOA -> service-bus and click the project whose service you want to disable
3) Move to the Operations tab, Uncheck the checkbox corresponding to the service that you want to disable(in our case we our disabling the Business Service) under the state column and click Apply button
4) Service has been disabled. Let’s run the Business Service and see the output
Service has been disabled.
Same way you can enable the service. Just check the state column checkbox corresponding to the disabled service and click Apply button.
That’t it !!