INS and diabetes mellitus: • Type 2 diabetes mellitus patients from selected general practices• Between 35 and 75 years• HbA1c ≥ 7.0% in combination with maximal oral hypoglycaemic agents(i.e. the combination of two oral medicines, what cannot further be increased)• Used to a computer and used to the internet• Ability and willingness to inject insulin• Ability and willingness to perform self monitoring of blood glucose• Written informed consent• Understanding of Dutch language