Dynamics CRM 2016 Online – Cannot insert duplicate key error (Possible causes and solution)

Very recently I was helping a business acquaintance of mine with their existing CRM Online implementation and I ran into a rather peculiar problem. I will describe the scenario first, then the error we faced and finally possible solution/workaround. If your case does not fall in the scenario described here, there can be n number Read more about Dynamics CRM 2016 Online – Cannot insert duplicate key error (Possible causes and solution)[…]