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1. Log into the Azure Management Portal and go to the Azure Active Directory for your Office 365 tenant.
2. Go to the Applications Azure Active Directory tab and select click the add button in the footer to manually add an ApplicationApp Registrations.
3. Select "Add an application my organization is developing"New Application Registration".
4. Give the application a name, keep the default selection of "Web Application and/or Web API" and click the next arrow
5. Enter a Sign-on URL and App ID Uri (values of these don’t really matter other than being unique) and click next to create the application
6. Click on the "Configure" tab and scroll to the bottom of the page to the section titled "Permissions to other applications"
7. Click on "Add Application"
8. Add the "Office 365 SharePoint Online" application
9. On Application Permissions, select the following:
   1. Read Managed Metadata.
   2. Have Full Control of all Site Collections.
   3. Read Items in all Site Collections. 

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