Upgrading existing W2K server

From: Robert (bob_at_bob.net)
Date: 11/18/04 

Date: Thu, 18 Nov 2004 08:55:36 -0600

I'm interested in upgrading an existing W2K server to SBS2000 (not 2003).
Will the full retail version accomplish this or is there a specific upgrade
package to purchase? How will the upgrade effect my existing client W2K
licenses?

Robert