error code 3 device path not found

See more:

C

Windows

driver

CreateFile(
"\\Device\\{CA406714-40A3-490E-8B07-DD467073DA92}",
0, // Device Query Access
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
INVALID_HANDLE_VALUE
);

hi all above "createfile" API is failing with device path not found(error 3).
but I have take device name from location
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0013\Linkage

where export key field is"\Device\{CA406714-40A3-490E-8B07-DD467073DA92}"
as NT naming convention I have given.\\Device\\{CA406714-40A3-490E-8B07-DD467073DA92}
please let me know where I am doing wrong