The value is the maximum number of seconds a Web application agent is allowed to run. If you enter 0 for the value, Web application agents can run indefinitely. The time limit refers to elapsed clock time, not the CPU time.
Warning: The purpose of the time limit is to prevent Web agents that run indefinitely and use server resources. Do not rely on this mechanism for the routine shutdown of agents. When the server shuts down an offending agent, resources that the agent was using (such as disk files) may be left open.
The following example allows web agents to execute for a maximum of three minutes clock time: