Error 0x8007213D

Value: -2147016387 | 0x8007213D | 2147950909

What does it mean ?

ERROR_DS_SCHEMA_UPDATE_DISALLOWED  
Schema update is not allowed on this DC because the DC is not the schema FSMO Role Owner.
Value: 8509 | 0x213D | 0b0010000100111101

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

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