You can configure OAuth 2.0 and OAuth 2.0 client secret grant authentication types to connect to Microsoft Dynamics 365 for Operations.
Before you configure the connection properties, you need to keep the authentication details handy based on the authentication type that you want to use.
You also need to add the required domains to the list of approved IP addresses to connect to Microsoft Dynamics 365 for Operations.
For more information about the domains that you need to add to the list of approved IP addresses, see the
List of domains knowledge article.
You cannot use OAuth 2.0 client certificate grant authentication to access Microsoft Dynamics 365 for Operations.