Internal Server Error 500.21 In IIS

Question

i am facing 500.21 Error in IIS

AbedElHamid AlWahidy · Answer

try this solution : https://msdn.microsoft.com/en-us/library/hh168535%28v=nav.90%29.aspx

Manas Mohapatra · Answer

It means ASP.NET is not properly registered with IIS. In order to resolve the problem follow below steps: 1. Open command prompt in Administrator mode. Search cmd and right click on it to select Admin mode. 2. Type the line in the command prompt below any one %windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -i or %windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i http://www.winsysadminblog.com/2011/08/fixing-http-error-500-21-internal-server-error-handler-webservicehandlerfactory-integrated-has-a-bad-module-managedpipelinehandler-in-its-module-list-on-iis/