We all have it. It's caused by past success. You will realise that you have it. There are about sixteen different forms and you will learn how to recognise this.
When you find yourself saying "but this is how we do it" or "but this has always worked in the past" or "don't fiddle with the machine as it ain't broke" then you will question why you are saying this. If someone is challenging what is being done then you will LISTEN and you will ask why you are responding in such a way. page 
At some point you will face inertia to change e.g. existing practice, political capital or previous investment. Try and understand the root cause. Ideally use a map to anticipate before you encounter and hence have prepared solutions & counter arguments. If possible, use the maps to enable people to discover their own inertia.