Error: Activation Failed - Protocol Error
This error typically occurs when you use Deep Security Manager to attempt to activate an agent and the manager is unable to communicate with the agent. The communication directionality that the agent uses determines the method that you should use to troubleshoot this error. (See Agent-Manager communication .)
When the agent uses agent-initiated communication, you need to activate the agent from the agent computer. (See Activate an agent.)
When using Deep Security as a Service, agent-initiated communication is the recommended communication directionality.
Use the following troubleshooting steps when the error occurs and the agent uses bidirectional communication: