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/tonery-a-cartridge2/originalni/sharp/[vyrobek=MX-27GTBA]-sharp-originalni-toner-mx-27gtba-black-18000str.-sharp-mx-2300n-2700n
Physical Path   E:\weby\KOS0000043476\wwwroot\tonery-a-cartridge2\originalni\sharp\[vyrobek=MX-27GTBA]-sharp-originalni-toner-mx-27gtba-black-18000str.-sharp-mx-2300n-2700n
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 »