Error 0x8004D100

Value: -2147168000 | 0x8004D100 | 2147799296

What does it mean ?

XACT_E_CONNECTION_REQUEST_DENIED  
The request to connect to the specified transaction coordinator was denied.
Value: 53504 | 0xD100 | 0b1101000100000000

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF