Error 0x800726C1

Value: -2147014975 | 0x800726C1 | 2147952321

What does it mean ?

DNS_ERROR_VIRTUALIZATION_INSTANCE_ALREADY_EXISTS  
The virtualization instance already exists.
Value: 9921 | 0x26C1 | 0b0010011011000001

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

Other Errors for FACILITY_WIN32