AppZero, provider of an automated tool for up-leveling Windows Server 2003 applications onto modern operating environments, such as Windows Server 2012 R2 or clouds such as Microsoft Azure, today announced the addition of Unisys Corporation to its Premier Partner Program. As Windows Server 2003 nears end of support on July 14th, 2015, AppZero and Unisys are collaborating with Microsoft to support public sector and commercial customers globally in migrating applications to modern Microsoft platforms.