The OVAL Repository 5.8 2015-09-03T08:00:20.798-04:00 Microsoft Windows Server Technical Preview is installed Microsoft Windows Server Technical Preview The operating system installed on the system is Microsoft Windows Server Technical Preview. Maria Mikhno DRAFT INTERIM ACCEPTED ACCEPTED HKEY_LOCAL_MACHINE SOFTWARE\Microsoft\Windows NT\CurrentVersion ProductName windows ^.*Windows\s*Server\s*Technical\s*Preview.*$