have installed windows 2012 R2,  all have been working fine and installed a Hyper-v server which am have install AD, DNS, DHCP which has been working grate.

after install an update on virtual server I rebooted and now am receiving a BSOD system_thread_excption_not_handled (WppRecorder.sys)

and it not allowing me to access anything. 

I have look into the firmware setting on the virtual server  and noticed file type called bootmgfw.efi on the firmware virtual setting.  which details 

Description: Windows Boot Manager

Value: \HD(2,GPTBA6F9016-9039-4EED-95D7-7C9DFDA947F4,77056,66560)\EFI\Microsoft\Boot\bootmgfw.efi

Firmware device path: \HD(2,GPTBA6F9016-9039-4EED-95D7-7C9DFDA947F4,77056,66560)\EFI\Microsoft\Boot\bootmgfw.efi

am using a physical hard disk which I have created using virtual disks which is offline and I have other Hyper-v Virtual server which are using the same settings and it working fine.

can anyone help me with this issue?

Many thanks,

PJ

For more help, please repost in the Hyper-V forum here: http://social.technet.microsoft.com/Forums/en-US/winserverhyperv/threads

This forum is for the product Virtual Server 2005 which is an end of life product.