The Setup program displays a Compatibility Report page that can point out possible application compatibility problems. You can sometimes solve these problems by updating or upgrading the applications. Create an inventory of the software products installed on the server and check the manufacturers' websites for updates, availability of upgrades, and announcements regarding support for Windows Server 2012 R2. In an enterprise environment, you should test all applications for Windows Server 2012 R2 compatibility, no matter what the manufacturer says, before you perform any operating system upgrades.