Failure is initially perceived as a bad word – especially for new agile teams, and especially in ‘vintage’ cultures.  Fear of failure is well over half of the cause of the Resistance.  Avoiding failure will cost your teams and business – because you will spend all of your precious time and money planning for perfection to avoid it.  The secret is to flip your thinking on failure immediately, and this requires the skill of a coach to keep people from panicking, backsliding and even turning against one another.