To enable integrated Windows authentication in Windows Vista/IIS 7

https://msdn.microsoft.com/en-us/library/x8a5axew.aspx

1. Log on to the Web server by using an administrator account.

2. Turn on Windows Authentication and II6 Management Compatibility, if you have not previously done this, by following these steps:

   1. Click Start, click Control Panel and then click Programs.

   2. Under Programs and Features, click Turn Windows features on or off.

      The User Access Control dialog box appears and prompts you for permission to continue.

   3. Click Continue.

      The Windows Features dialog box appears.

   4. In the feature list, expand the Internet Information Services node.

   5. Under Internet Information Services, expand the World Wide Web Services node.

   6. Under World Wide Web Services, click Security.

   7. Click Windows Authentication.

   8. Under Internet Information Services, expand the Web Management Tools node.

   9. Under Web Management Tools, expand the IIS 6 Management Compatibility node, and select the IIS 6 Metabase and IIS 6 Configuration Compatibility check box.

   10. Under Web Management Tools, select IIS Management Console and Click OK.

   11. Restart the computer for these changes to take effect.

3. Click Start and then, click Control Panel.

4. Click Classic View, and then double-click Administrative Tools.

5. In the Name column and double-click Internet Information Services (IIS) Manager.

6. In the Connections column, expand the node for your server.

   A Web Sites folder opens underneath the server name.

7. Expand the Web Sites node and click the Web site for which you want to enable integrated Windows authentication.

8. The title of the center pane changes to the name of the Web site that you selected. In this pane, under the IIS heading, double-click Authentication.

   The title of the pane changes to Authentication.

9. In the Authentication pane, in the Name column, right-click Windows Authentication and then click Enable.

10. Close the Internet Information Services (IIS) Manager window.