Converting a Web Application to NTLM from Kerberos

1. Open Central Administration
2. Click on “Manage Web Applications”.
3. Highlight the targeted web applications.

4. Click on “Authentication Providers”.

5. Click “Default” next to Windows.

6. Scroll down and change IIS Authentication Settings from Negotiate (Kerberos) to NTLM.

7. Click Save at the bottom of the window.  *This will take a few seconds up to a minute.
8. Close the Authentication Providers window.
9. Repeat for any additional web applications.