Would you like to learn how to configure the NTLM authentication on the IIS server? In this tutorial, we are going to configure the NTLM authentication on the IIS server.
• Windows 2012 R2
• Windows 2016
• Windows 2019
In our example, the IIS server is hosting the website WWW.GAMEKING.TIPS.
In our example, the IIS server name is TECH-DC01.
The NTLM authentication is now called WINDOWS authentication.
Equipment list
The following section presents the list of equipment used to create this tutorial.
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Tutorial IIS – NTLM authentication
On the server manager, enable the IIS security feature named: Windows Authentication.
Start the application named: IIS Manager.
On the IIS Manager application, access your website and select the directory that you want to protect.
On the right part of the screen, access the option named: Authentication.
Disable the Anonymous authentication on the selected directory.
Enable the Windows authentication on the selected directory.
Optionally, use the command-line to enable the NTLM authentication.
In our example, we configured the IIS server to use the NTLM type of authentication.
In our example, we configured the IIS server to require authentication to access a directory.
As an administrator, create a local user account.
In our example, we created a local user account named GOHAN.
To test the installation, open the Chrome browser and try to access the protected directory.
In our example, the following URL was entered in the Browser:
• http://www.gameking.tips/protected
The IIS server will require you to perform the user authentication.
Congratulations! You configured the NTLM authentication on the IIS server.
Tutorial IIS – NTLM Single Sign-On Authentication
To enable the NTLM transparent authentication, you need to create an SPN entry for your website.
As a domain administrator, create an SPN entry for your website.
Change the website and server name.
Congratulations! You configured the NTLM authentication without an authentication form on the IIS server.
