HTTP Error 500.19 – Internal Server Error while browsing UWP.

If you recive an error “HTTP Error 500.19 – Internal Server Error”  while browsing Uplook Web Platform grant the Read & Write permission to the IIS_IUSRS group for the UWP installation folder. If despite of the granted permissions you still cannot browse UWP follow these steps:

Solution:

1. Open command line (CMD.exe) and run:

   %windir%\system32\inetsrv\appcmd.exe set config -section:system.webServer/httpCompression /+[name='xpress',doStaticCompression='false',dll='%windir%\system32\inetsrv\suscomp.dll']

2. Restart the IIS and Uplook Web Platform instance

If steps above did not solve problem use:

%windir%\system32\inetsrv\appcmd.exe set config -section:system.webServer/httpCompression /-[name='xpress']

If problem was not resolved by the commands ensure that you have installed features:

• .NET Extensibility 4.5
•  ASP.NET 4.5
• both ISAPI entries