Internet Information Services 7.5

Error Summary

HTTP Error 503.0 - Server Error

The service is unavailable.

Detailed Error Information
ModuleIsapiModule
NotificationExecuteRequestHandler
HandlerJWildCardHandler
Error Code0x00000000
Requested URLhttp://localhost:80/cas/art/calendar/index.cfm?refresh
Physical Path\\american.edu\au\APPS\CMS\PROD\CMSData\au\cas\art\calendar\index.cfm
Logon MethodAnonymous
Logon UserAnonymous
Most likely causes:
  • An invalid identity in the application pool could cause this error.
  • The application pool is no longer running because of configuration or reaching application failure limits.
  • The concurrent application request limit was reached.
Things you can try:
  • Check the event logs and the HTTP error logs for more information.
Links and More Information This error occurs when the worker process was unable to start. This could be due to an invalid identity or configuration, or because the concurrent request limit was reached.

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