Layton ServiceDesk - Troubleshooting - Can't Login - 401 Unauthorized on Auto Login

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Overview

Failure to install the Web Server (IIS) > Web Server > Security > Windows Authentication server role will result in this error when loading the auto-login page:

   401 – Unauthorized: Access is denied due to invalid credentials.
   (You do not have permission to view this directory or page using the credentials that you supplied).

Procedure

  1. Open Server Manager.
  2. From the Dashboard, click 2 Add roles and features. The Add Roles and Features Wizard will open.
  3. In the Installation Type tab, ensure that the Role-based or feature-based installation radio button is selected, and click the Next > button.
  4. In the Server Selection tab, ensure that the Select a server from the server pool radio button is selected, select the server and click the Next > button.
  5. In the Server Roles tab, in the list of Roles, expand Web Server (IIS) > Web Server > Security and check Windows Authentication. Click the Next > button.
  6. In the Confirmation tab, click the Install button. The Web Server (IIS) > Web Server > Security > Windows Authentication server role will be installed.
  7. When complete, close the Add Roles and Features Wizard.
  8. Open IIS Manager.
  9. In the left-hand column, expand SERVERNAME > Sites > Default Web Site and click the LaytonServiceDesk virtual directory.
  10. In the IIS section in the center column, double-click Authentication.
  11. In the Authentication section in the center column, click Windows Authentication and click the Enable button in the right-hand column.
  12. Once enabled, click the Providers... button in the right-hand column.
  13. In the Providers dialog, click NTLM and the Move Up button until NTLM is at the top of the list of Enabled Providers. Click the OK button.
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