I am trying to integrate Windows live ID with SharePoint 2010 .

I was facing issue when i was trying to add a user as administrator to FBA web application .

The people picker doesn't pick the user with LiveID:UserName .

I have made necessary web.config entries in central administration web application.

    <PeoplePickerWildcards>
      <clear />
      <add key="AspNetSqlMembershipProvider" value="%" />
      <add key="LiveID" value="%" />
    </PeoplePickerWildcards>

    <membership>
      <providers>
        <add name="LiveID" type="SPCS.WindowsLiveAuth.LiveMembershipProvider, SPCS.WindowsLiveAuth, Version=1.0.0.0, Culture=neutral, PublicKeyToken=4b37e1a71dac8e81" />
      </providers>
    </membership>
    <roleManager enabled="true" defaultProvider="AspNetWindowsTokenRoleProvider">
      <providers>
        <add name="LiveRoles" type="SPCS.WindowsLiveAuth.LiveRoleProvider, SPCS.WindowsLiveAuth, Version=1.0.0.0, Culture=neutral, PublicKeyToken=4b37e1a71dac8e81" />
      </providers>
    </roleManager>

if you interest in commercial product check ready solution here:

SharePoint Live Authentication (Live ID and OpenID Trusted Identity Provider for Claims Based Authentication)
http://www.shetabtech.com/english/SharePointLiveAuth

Regards

There is no need for any commercial solutions - SharePoint 2010 out-of-the-box supports Windows Live ID. Please do not post any commercials here.

How to configure SharePoint 2010 for Windows Live ID usage: http://www.wictorwilen.se/Post/Visual-guide-to-Windows-Live-ID-authentication-with-SharePoint-2010-part-1.aspx