Windows Server 2012 build 7878

6.2.7878.fbl_core1_hyp_dev.101107-1700
Build of Windows Server 2012
Screenshot
OS familyWindows NT
Version number6.2
Build number7878
Build revision0
Architecturex64
Build labfbl_core1_hyp_dev
Compiled on2010-11-07
Expiration date
Timebomb2011-07-01 (+236 days)
About dialog
WinSrv2012-6.1.7878-About.png

Windows Server 2012 build 7878 is a build of Windows Server 2012. It was shared on 13 October 2024.

Editions and keys[edit | edit source]

Edition / SKU Name Key
Standard + StandardCore YMFM8-J2RV2-66G78-XPQ7C-4RY3B
Enterprise + EnterpriseCore 7P8GH-FV2FF-8FDCR-YK49D-D7P97
Datacenter + DatacenterCore 7X29B-RDCR7-J6R29-K27FF-H9CR9
ServerWeb + ServerWebCore YGTGP-9XH8D-8BVGY-BVK4V-3CPRF

Changes[edit | edit source]

Start screen[edit | edit source]

Tiles are now icon-aware, and right-clicking on a tile shows a menu with several options - "Move to Other View" being among them, although this does nothing when clicked. In fact, all of the options bar the "Open" option (which opens the app without actually entering the desktop) - including such items as "Uninstall" and "Resize" - either do nothing or show an error when clicked. The ability to search files and applications in the Start screen was implemented as well.

Interface[edit | edit source]

The Windows Server 2008 R2 branding in the watermark has been replaced with "Microsoft Pre-Release Windows Operating System". However, the old branding continues to be used in the winver.exe dialog until being replaced in build 8051. Additionally, the copyright date of the aforementioned application has been updated from 2009 to 2010.


Bugs and quirks[edit | edit source]

General[edit | edit source]

  • Shutdown or restart will cause a softlock when running this build in VMware Workstation 15 or newer. This can be worked around by using the host's Power menu. This can also be fixed by setting the USB compatibility to USB 2.0 in the VM settings.
  • Running this build in VirtualBox with the Hyper-V paravirtualization interface enabled will result in a bugcheck.
  • Certain visual elements in select MMC snap-ins (such as Services) may use the Wingdings font.
  • The name of the floppy disk drive driver remains in pseudo-language.

Setup[edit | edit source]

  • The last word of status messages shown when starting Setup and before the computer reboots into OOBE is cut off.
  • Attempting to select a network type will result in a driver unload bugcheck. To work around this issue, remove or disable any network adapters before booting into OOBE.

Shell[edit | edit source]

  • An unassigned file association error may occur if certain options in the Start tile drop-down menu are selected.
  • Changing personalization options may occasionally crash File Explorer.
  • The new language bar is mostly broken in this build and only works on rare occasions. It may occasionally spawn an empty, non-functional button between the notification area and the current date/time.

Themes[edit | edit source]

  • The title bar and watermark uses the Arial font due to a typo in the aero.msstyles and aerolite.msstyles files.
  • Only the top portion of the window frame is blurred when using the Windows Aero theme, leaving the side borders transparent.
  • The Windows Basic and the High Contrast themes do not render properly due to the enforcement of the DWM Aero theme.

Miscellaneous[edit | edit source]

  • A warning will appear when opening the Local Security Policy snap-in. It can be safely ignored.

Gallery[edit | edit source]