Error 0x8007215B

Value: -2147016357 | 0x8007215B | 2147950939

What does it mean ?

The source object's SID already exists in destination forest.
Value: 8539 | 0x215B | 0b0010000101011011

Where does it come from ?

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