Error 0x800721A2

Value: -2147016286 | 0x800721A2 | 2147951010

What does it mean ?

ERROR_DS_ROLE_NOT_VERIFIED  
The FSMO role ownership could not be verified because its directory partition has not replicated successfully with at least one replication partner.
Value: 8610 | 0x21A2 | 0b0010000110100010

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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