Type: Internal / External (Select One): Internal

Type: Internal / External (Select One): Internal 

Overview:

HTTP Error 500.19 - Internal Server Error code: 0x80070021

[Give a general review or summary of a subject, include Problem statement / Use cases in this description as well where it can be applied)

Applicable Versions: EPS 7.6

[Mention the version for which this document applicable.]

Error: [If present] :HTTP Error 500.19 - Internal Server Error 0x80070021

Cause: [If available] 

This problem can occur if the specified portion of the IIS configuration file is locked at a higher configuration level.

Troubleshooting Steps: [If Available]

1.

2.

Resolution Steps / Configuration Steps / Procedure: [Change as applicable]

Step1

1. Go to C:WindowsSystem32inetsrvconfigapplicationHost.config and open in notepad

Change the following key-value present in

Step2 :
We selected Internet Information Services, world wide web services, Application development features and there we check the set of features associated with our development environment. For example: ASP.NET 4.6. .NET Extensibility 4.6, etc.

Installed the .net 4.5

Useful links: https://docs.microsoft.com/en-us/iis/get-started/planning-for-security/how-to-use-locking-in-iis-configuration