![CRM 2011 to 2013 License Mappings](https://crmtipoftheday.com/wp-content/uploads/2014/04/ec-license-250x187.png)
Did your firm acquire an External Connector License for your CRM 2011 OnPremise instance? Back in the days before CRM 2013 if you created a portal that customers, partners, vendors could use to connect to the CRM system via the custom API then you needed to buy the EC license. Alternatively, if you happened to […]