When I want to drop a service which is already created, this error happens:
Msg 15151, Level 16, State 1, Line 316 Cannot drop the service '//Audit/Contract', because it does not exist or you do not have permission.
My sql query to perform drop operation is:
IF EXISTS(SELECT * FROM sys.service_contracts WHERE NAME = '//Audit/Contract') DROP SERVICE [//Audit/Contract]
So, the main question is: What is the permissions necessary to drop a service in service-broker?