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 the longhorn codename in a prominent manner. Microsoft started work on Service Pack 2 soon after Service Pack 1 was released, as Windows Server 2008 uses the same codebase as Windows Vista Service Pack 1. Service Pack 2 is the first service pack to be released for both Windows Server 2008 and Windows Vista simultaneously, sharing the same binary. Windows Vista Service Pack 2 Pre-Beta Build Number 6002.16489.lh_sp2beta.080924-1740 (Version 105) Released in October 2008. Windows Vista Service Pack 2 Beta Build Number 6002.16497.081017-1605 (Version 113) Released December 4, 2008. Download became available in the Microsoft Download Center. Windows Vista Service