HTTP Error 503.2 - Service Unavailable

The serverRuntime@appConcurrentRequestLimit setting is being exceeded.

Most likely causes:

  • Setting is too low.
  • The application is taking too long for the current load.

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.

Detailed Error Information:

Module   IIS Web Core
Notification   BeginRequest
Handler   PHP_via_FastCGI
Error Code   0x00000000
Requested URL   https://www.meb.k12.tr:443/tema/index.php?hostname=hamzababacumhuriyetilkokulu
Physical Path   \\10.30.18.131\www.meb.k12.tr\wwwroot\tema\index.php
Logon Method   Not yet determined
Logon User   Not yet determined

More Information:

IIS will not allow more concurrent requests to an application than the serverRuntime@appConcurrentRequestLimit setting permits.

View more information »