Run the following command to stop an agent:
tacmd stopAgent -t type
where type is nt, which identifies the Windows OS agent. This command stops all agents of the specified type on the monitoring server. You are prompted for confirmation before the agents are stopped.
Run the following command to start that same agent:
tacmd startAgent -t type
This command starts all agents on the monitoring server. Again, you are prompted for confirmation before the agents are started.