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IIS 6.0 F1: Application Pools Properties - Health Tab

Applies To: Windows Server 2008 R2

Use this tab to configure worker processes health monitoring. You can set limits for communicating with the worker processes, determine a course of action if a number of processes rapidly fail, and set startup and shutdown times.

Enable pinging

Select to configure Internet Information Services (IIS) to ping each worker process in an application pool every specified number of seconds to detect the activity of the processes.

IIS monitors the health of worker processes by periodically pinging them to determine their responsiveness. If worker processes fail to respond to a ping, the worker process is terminated and a replacement worker process is created.

Ping worker process every (frequency in seconds)

Type a number in the box, or click the up and down arrows, to set the time interval, in seconds, when worker processes are pinged for activity.

Enable rapid-fail protection

Select to configure IIS to remove this application pool from service and place it in a mode where the kernel-mode driver immediately returns a 503 Service Unavailable - out-of-service message to any requests to that application pool.

Rapid-fail protection protects your Internet service from widespread interruptions by detecting and isolating application pools where worker processes are rapidly failing.

Failures

Type a number in the box, or click the up and down arrows, to set a numerical limit on unexpected program terminations. This must be set in conjunction with the Time period setting.

Time period (time in seconds)

Type a number in the box, or click the up and down arrows, to set a time limit in which to detect the corresponding number of unexpected program terminations. This must be set in conjunction with the Failures setting.

Startup time limit

Worker process must startup within (time in seconds)

Type a number in the box, or click the up and down arrows, to set the worker process startup time in seconds.

Shutdown time limit

Worker process must shutdown within (time in seconds)

Type a number in the box, or click the up and down arrows, to set the worker process termination time, in seconds, after IIS detects inactivity.

Related Topics

To learn more about rapid fail protection, see the IIS 6.0 online documentation on the Microsoft Windows Server TechCenter.

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