- Open SharePoint Management Shell by going to Start Menu | All Programs | Microsoft SharePoint 2010 Products. Now right-click SharePoint 2010 Management Shell and choose Run as administrator.
- Now go the following Powershell commands:
PS> $app = Get-SPWebApplication "http://yourSpHost:7777"
PS> $app.UseClaimsAuthentication = "True"
- To verify the change: Go to Central Administration | Manage web applications, and select the application you modified.
- Click the Authentication Providers button in the Web Applications ribbon. It will now show Claims Based Authentication.
NOTE: if you get the error: "The local farm is not accessible. Cmdlets with FeatureDependencyId are not registered." try some of my fixes outlined here