unfortunately it seems to be a bug that the wizard does not set the ID column correctly I have created an internal ticket for the issue. Regarding the second question, I don't quite understand it - is your Failure column polynominal? If so, that is not possible because the wizard can only work if it knows "equipment A has failed in the past" or "equipment B has not failed in the past". You can have missing values though, i.e. equipment for which you don't have a definite value.
no I'm afraid this did not make it into 6.0.008. While some wizard issues linked to the problem have been fixed, this problem itself has not yet been fixed. This thread will be updated once the fix is done.