Event ID 5010 — IIS Application Pool Availability
Applies To: Windows Server 2008
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Web sites and Web applications depend on the availability of Internet Information Services (IIS) application pools. IIS application pools in turn depend on the Windows Process Activation Service (WAS). If WAS is not running or errors occur during the startup or shutdown of an application pool, Web sites and Web applications may not be available.
Event Details
| Product: | Internet Information Services |
| ID: | 5010 |
| Source: | Microsoft-Windows-WAS |
| Version: | 7.0 |
| Symbolic Name: | WAS_EVENT_WORKER_PROCESS_PING_FAILURE |
| Message: | A process serving application pool '%1' failed to respond to a ping. The process id was '%2'. |
Resolve
Diagnose an unresponsive worker process
A worker process that fails to respond may exhibit one of the following symptoms:
- Ping failure.
- Communication failure with WAS.
- Worker process startup time-out.
- Worker process shutdown time-out.
- Worker process orphan action failure.
To diagnose a worker process that is failing to respond, refer to one or more of the following resources:
- How to use the Debug Diagnostics tool to troubleshoot a process that has stopped responding in IIS
- How to use the IIS Debug Diagnostics tool to troubleshoot a memory leak in an IIS process
- How to use the Debug Diagnostics Tool to troubleshoot high CPU usage by a process in IIS
Verify
To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.
To verify that an application pool has started:
- Click Start, click Control Panel, and then click Administrative Tools.
- Right-click Internet Information Services (IIS) Manager and select Run as administrator.
- In the Connections pane, expand the server node and select Application Pools.
- In Features View, the Status column for the application pool will indicate Started if the application pool has started.