To install the plug-in and any related patches do the following:
Install Access Manager or Federation Manager.
Install the original SAML v2 Plug-in for Federation Services bits available at http://www.sun.com/download/products.xml?id=43e00414.
Patch your working installation of the SAML v2 Plug-in for Federation Services with the appropriate patch.
For example, patch 122985-01 should be available at http://sunsolve.sun.com/. For more information, see the patch release note included with the bits.