IIS - 401.3 - Unauthorized

Question

I am trying to get started with using IIS. I created a new site on IIS Manager, mapped it to a folder on my file system and added index.html to the folder. I have set the po

Answer 1

Another problem that may arise relating to receiving an unauthorized is related to the providers used in the authentication setting from IIS. In My case I was experience that problem If I set the Windows Authentication provider as "Negotiate". After I selected "NTLM" option the access was granted.

More Information on Authentication providers

https://docs.microsoft.com/en-us/iis/configuration/system.webserver/security/authentication/windowsauthentication/providers/