After our preparations are complete, we can modify the authentication method of the existing SharePoint website.
First, go to the management center to determine the current authentication method of the website:
Enter the sharepoint2010 management shell and enter the following command:
$ App= Get-spwebapplication [web app URL, e.g. http: // portal/]
$ App. Useclaimsauthentication ="True"
$ App. Update ()
In this way, the authentication method of the website you entered is changed to the claim based authentication method. Based on this method, we can further implement form authentication.
Return to the management center and confirm the current authentication method of the website.
On this interface, click default to go to the further settings:
The settings are as follows:
Save the settings.
When you try again to log on to this website, you can see that the modification takes effect. On the website logon page, select the logon method. For example:
If you enter the people and groups settings of the website, you can see that the options are more form users, as shown in
Reprinted: http://www.cnblogs.com/wsdj-ITtech/archive/2012/04/09/2397464.html