Error 0x80070A85

Value: -2147022203 | 0x80070A85 | 2147945093

What does it mean ?

NERR_SetupDomainController  
This machine is a domain controller and cannot be unjoined from a domain.
Value: 2693 | 0x0A85 | 0b0000101010000101

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