Scenario: Installed "Microsoft Dynamics 365 Developer Toolkit" Tried to add new "Dynamics 365 Plugin Library" Got this error " dynamics 365 developer toolkit settings are missing " Resolution Steps: Open Visual Studio Go to Tools > Options > Dynamics 365 Developer Tool Kit > Tool Paths Select the folder path of Plugin Registration Tool and CRM SDK Bin folder, from the path where you have extracted CRM SDK That should do it.. Keep going with CRM. Just got started with a new blog specific to Dynamics CRM 365 and this is the first post. Hope will add many more articles going forward.