Thanks will try thatYou can at least allow server mismatches, mate. But I haven't looked into it other than noticing the many different configurations and different engine options. Something must have gotten messed up in the creation process.
Thanks but hasnt solved problem ...still HDV error and mismatchIt's in the Multiplayer.ini file. Set this to 0:
Mismatch Response="0" // how the server responds to mismatches: 0=does nothing, 1=kicks the mismatched client at the beginning of the Race session, 2=kicks client immediately, 3=kicks client from Qualifying or Race