Internet Information Services 7.5

Error Summary

HTTP Error 503.4 - Service Unavailable

The FastCGI pool queue is full

Detailed Error Information
ModuleFastCgiModule
NotificationExecuteRequestHandler
HandlerPHP
Error Code0x80070004
Requested URLhttp://forum.czechlfs.net:80/newreply.php?s=ff2939b7ef36621095b2e9c53eb2a1f6&do=newreply&p=96627
Physical PathD:\Inetpub\webs\3369982_web\www\forum\newreply.php
Logon MethodAnonymous
Logon UserAnonymous
Most likely causes:
  • The system.webServer/fastCgi/application@queueLength setting has been exceeded
Things you can try:
  • Try increasing the value of the setting.
  • Check that external resources (for example, disk, database, etc..) are performing at expected levels.
  • Check that the application has not deadlocked.
Links and More Information

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