We were not able to find an Exchange Server with the required version to complete the configuration of OAUTH for Exchange. ...

We were not able to find an Exchange Server with the required version to complete the configuration of OAUTH for Exchange. Verify the following and rerun the wizard to complete the configuration. 1. Ensure you are running this tool from Exchange Server or a domain joined Machine.  2. Ensure that you have at least one Exchange 2013+ CAS server.  3. Ensure that you are a member of the Exchange Organization Administrators group.