I've got stop error 0x1000009f on Windows 2008 R2 during shutdown process with the following values:
Bug check string: DRIVER_POWER_STATE_FAILURE
Caused by driver: mpio.sys
This error is described with hotfix for Windows 2008: http://support.microsoft.com/kb/961891. But I can't find such fix for Windows 2008 R2. Where can I find this hotfix for Windows 2008 R2?
Is your OS installed 2008 R2 SP1 ? If it's not then you should apply the SP1, and you can find the hotfix that you search for wind 2008 r2 in this link : http://support.microsoft.com/kb/975599/en-us
Oussama Oueslati | System Engineer | vNext Consulting