] Microsoft on Friday plans to announce changes to a
] licensing program for software communications protocols
] it created as part of its landmark antitrust settlement
] with the U.S. government, the company says.

I'm guessing these are (among other things) the changes to SMB (now CIFS) that froze SAMBA out -- unclear if the new licensing regime will help SAMBA.

PCWorld.com - Microsoft Changes Software Licensing