Error 0x800720D0

Value: -2147016496 | 0x800720D0 | 2147950800

What does it mean ?

ERROR_DS_BAD_ATT_SCHEMA_SYNTAX  
The attribute schema has bad syntax.
Value: 8400 | 0x20D0 | 0b0010000011010000

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

StackOverflow

Other Errors for FACILITY_WIN32