Error 0x00042802

Value: 272386 | 0x00042802 | 272386

What does it mean ?

VDS_S_ISCSI_LOGIN_ALREAD_EXISTS  
Login failed because the target is already logged in.
Value: 10242 | 0x2802 | 0b0010100000000010

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