The connector must have access to the following endpoints: https://login.microsoftonline.com https://aadcdn.msftauth.net *.print.microsoft.com Follow the steps here to install the connector and sign in to the connector app using a tenant user that has the Global Administator or the Printer Administrator role. Select the printers your want to register from the Available Printers list and click the Register button. Tip Refer to Read More