Win 2008 x64 Quadro K4000 CUDA Failed to initialize NVLM: unknown error

Hello,
I have a problem with CUDA, we are using video card nvidia quadro K4000 to transcode streams with Wowza media system.
Video card is installed in ProLiant DL360 G7, default video card is disabled in bios.
Operation system Windows 2008 x64 with latest nvidia drivers
But when I try to run nvidia-smi.exe it’s return error:
“Failed to initialize NVLM: unknown error”
Could you please help me to solve this problem ?
Thank you.

are you logging into that server using RDP/Microsoft Terminal Services/Remote Desktop?