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   StaticFile
Error Code   0x00000000
Requested URL   https://eshop-alfaoffice.cz:443/kalendare-diare-20202/kalendare/planovaci/[vyrobek=OS091]-stolni-planovac-a3-tyd.-mapa-30-listu-antistres
Physical Path   E:\weby\KOS0000043476\wwwroot\kalendare-diare-20202\kalendare\planovaci\[vyrobek=OS091]-stolni-planovac-a3-tyd.-mapa-30-listu-antistres
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 »