However, it is better to switch the EWS integration over to Microsoft Graph as Microsoft plans to deprecate EWS integration starting September 30th, 2022. One option is to leverage certificate-based authentication leveraging an Azure app. Note: Prior to October 1st, 2022, Microsoft will continue to disable basic auth on protocols in tenants where basic auth is not detected.įor devices and applications that integrate with Exchange Web Services, such as voicemail, ticketing systems, or line of business applications, these will be required to support modern authentication. The only exception to this is SMTP Auth which can continue to use basic authentication. After this date, any application connecting to Exchange Online will be required to leverage modern authentication (OAuth 2.0).
In September Microsoft announced new deadlines for the deprecation of basic authentication for all Exchange protocols. Back in February, it was announced that the deprecation of basic auth had been put on hold until further notice. However, due to the pandemic, that date has shifted a few times. Since 2018 Microsoft has announced the blocking of basic authentication. To use the new Exchange Admin Center point your browser to or from the classic Exchange Admin Center select the toggle to Try the new Exchange Admin Center in the top-right of the screen. Check out Microsoft’s timeline in the image below. Starting this month features will be redirected away from the classic admin center with the planned removal of the classic EAC by September 2022. With feature parity met, and in many cases exceeded, it is no doubt that the Exchange team is now planning the deprecation of the classic Exchange Admin Center. The new Exchange Admin Center has been available for quite some time and was designated reaching general availability back in April.
Deprecation of the classic Exchange Admin Center