In line with Microsoft’s End of Support notification for EWS Basic Authentication, Microsoft has created a new authentication method, Microsoft Graph.
Microsoft Graph allows for increased performance towards the Microsoft Cloud. Over time, Microsoft has introduced OAuth 2.0 for authentication and authorization, which is a more secure and reliable than Basic Authentication to access data.
Deprecation of Basic authentication in Exchange Online | Microsoft Learn
We strongly recommend Microsoft 365 customers to configure Synergy SKY Management Suite with Microsoft Graph API for Microsoft 365.
You can find additional information relating to Microsoft Graph here
We have provided instructions on how to set up Microsoft Graph with Synergy SKY below.
How To: Configure for Exchange with Graph API (Microsoft 365) – Synergy SKY Support