WHY and WHEN deprecating Office365 Integration?
This is fully documented since a while here Important changes (deprecations) coming in Power Apps and Power Automate - Power Platform | Microsoft Docs
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Impacted customers are those who still use username/password (the old legacy Dynamics 365 integration) and has not enabled OAuth authentication still.
What is provided below is how to resolve the issue depending on different scenarios.
NOTE: It is strongly advised that you take action NOW and have your integration ready before 1st April 2022 deadline.
Dynamics 365 Business Central SaaS
Move to OAuth2.0 authentication.
User must change the authentication type to connect to Dataverse.
Open Microsoft Dynamics 365 Connection Setup page
In the action pane choose Connection > Use Certificate Authentication
When prompted to sign in via login.microsoftonline.com, sign in as the Administrator of your Dataverse organization
Wait for the task to be accomplished (it should take about 30/40 seconds).
In the end, you should get an information message that you have successfully upgraded your connection to Dataverse to a service-to-service (S2S) connection with a certificate, and that you got a new integration user.
NOTE: SaaS customers will benefit of further communications from product group about how to proceed considering their environment and integration types.
Dynamics 365 Business Central On-Premise 18.x, 17.x and 16.x
Move to OAuth2.0 authentication.
For Business central SaaS, Microsoft has registered its own app for OAuth2 connection, whereas in Business Central OnPrem, the OnPrem owner has to register the app. Follow this OnPrem specific documentation: docs.microsoft.com/.../admin-how-to-set-up-a-dynamics-crm-connection
NOTE: 16.0 and 16.1 needs to be updated to 16.2 or higher in order to enable OAuth2.0 authentication With 16.0 and 16.1, only OAuth authentication could be enabled. In this situation, it is warmly recommended to upgrade to 16.2 or later.
Dynamics 365 Business Central On-Premise 15.x
NOTE: This version is out of support as per lifecycle since April 2021. See more Software lifecycle policy and on-premises updates - Business Central | Microsoft Docs
Move to OAuth authentication.
See how to do it here (99+) How to enable OAuth authentication in Dynamics 365 Integration for Dynamics NAV and Dynamics 365 Business Central - Dynamics 365 Business Central Forum Community Forum
NOTE: both application (objects) and platform need to be updated, at least, to December 2020 CU (15.13) support.microsoft.com/.../4583552 or higher in order to enable OAuth authentication.
You can also upgrade to a higher version before April 2022 deadline and enable OAuth2.0 authentication. This is the recommended solution by Microsoft.
Dynamics 365 Business Central On-Premise 14.x
Move to OAuth authentication.
See how to do it here (99+) How to enable OAuth authentication in Dynamics 365 Integration for Dynamics NAV and Dynamics 365 Business Central - Dynamics 365 Business Central Forum Community Forum
NOTE: both application (objects) and platform need to be updated to January 2021 CU 20 (14.21) support.microsoft.com/.../4595149 or higher in order to enable OAuth authentication.
Dynamics 365 Business Central On-Premise 13.x
NOTE: This version is out of support as per lifecycle since April 2020. See more Software lifecycle policy and on-premises updates - Business Central | Microsoft Docs
This version does not support OAuth authentication with Dynamics 365 integration feature.
The solution is to upgrade to a higher version before April 2022 deadline and enable OAuth or OAuth authentication.
Dynamics NAV 2018
Move to OAuth authentication.
See how to do it here (99+) How to enable OAuth authentication in Dynamics 365 Integration for Dynamics NAV and Dynamics 365 Business Central - Dynamics 365 Business Central Forum Community Forum
NOTE: both application (objects) and platform need to be updated to June 2021 CU 41 support.microsoft.com/.../cumulative-update-41-for-microsoft-dynamics-nav-2018-build-47294-b68aaa8e-6fd3-4753-b98b-7c925a90a95a or higher in order to enable OAuth authentication.
Duilio Tacconi
Escalation Engineer
Dynamics 365 Business Central
Microsoft Italy
Microsoft Dynamics 365 Business Central starting point
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