DVR-MS component introduced in Windows XP Service Pack 1. The DVR feature of Windows XP Media Center Edition, Windows Vista and the Windows 7 version of Windows Media Center create files in this format. If a recorded broadcast is marked as copy protected, the resultant DVR-MS file can only be played back on the recording device. Unprotected DVR-MS files (files not marked in this way) can be played back on any device running Windows XP with Service Pack 1 or later Windows operating systems, hotfix 810243 for Windows XP RTM (which adds DVR-MS support to DirectShow), and on Windows Mobile 6.
Development of Windows Vista Pack 2 RC Escrow Build Number 6002.16659.090114-1728 (Version 275) Released January, 2009. Windows Vista Service Pack 2 Release Candidate Build Number 6002.16670.090130-1715 (Version 286) Released February, 2009. Windows Vista Service Pack 2 RTM Escrow build to Connect Beta Testers Build Number 6002.17043.090312-1835 (Version ???) Released March, 2009. Available and can be installed via Windows Update Windows Vista Service Pack 2 RTM Escrow Build Number 6002.17506.090313-1730 (Version ???) Released March, 2009. Leak to file sharing websites. Windows Vista Service Pack 2 RTM Build Number 6002.18005.090410-1830 Released 28 April 2009. Officially released by Microsoft via Windows Update on 26 May 2009. –