Cannot Stop Brown Field VM's from Cloud Management Issue When you perform a stop operation on Brown Field VM's (VM's not provisioned through CMP), you receive th error : com.amazonaws.services.ec2.model.AmazonEC2Exception: Invalid id: "" (Service: AmazonEC2; Status Code: 400; Error Code: InvalidInstanceID.Malformed; Request ID: b2b7aa0c-95cb-44c7-b80c-947bc59134f3)CauseWe do not support LifeCycle Operations such as Start, Stop on Brown Field VM's (VM's not provisioned through CMP).ResolutionIn order to perform stop operations on brownfield VM's (VM's not provisioned through CMP), follow these steps : Note: Unpublish the resource block to make the following changes Navigate to Cloud Admin Portal > Design > Resource BlocksClick on the Virtual Server resource blockGo to the Operations tabIn the Operations drop-down, select the Stop operationCreate an extension interface for the existing stop operation and name it appropriately.Close the virtual server resource block and open it againChoose the newly created extension interface from step 5Click on the + button which adds a new input parameterSet the name of the parameter to resourceId with mapping ${parameter.resourceId}Change the mapping of the parameter ServerID to ${parameter.resourceId} by removing the current stack expressionClick on SaveNavigate to Steps and change the parameter NodeID to ${parameter.resourceId}Navigate back to the input parameters and click on Generate CatalogPublish the resource block againRelated LinksThe above steps are to perform the stop operation on a brownfield VM. Similarly, we can create an extension interface for Start and Deprovision by following similar steps. Follow the documentation to create an extension interface: Extend Cloud Management resource blocks with an override operation