Debugging Web Server issues resulting in HTTP 1.1 500 Server Error

On Server Side: Enable IIS Web Page Debug Logging:

1. Enable Debug Mode in web.Config
2. Disable CustomErrors Mode in web.Config

On Client Side: Enable Detailed IIS Logging (i.e., disable “show Friendly HTTP error messages”):

Playing around with Web Servers and Web Sites Configuration Files (Web.Config):

In the IIS Manager select the Web site and Click on “Configuration editor”

Use “Search Configuration” button which launches a Wizard that shows the changes in effect for that selected web site on the IIS server.

Verify the web site bindings (Default web site binding should look like below):

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