Connect to D365 CE Programmatically without MFA/ On-Premise D365 CE

As a developer, I regularly create connection to my D365 instance (On-Premise) and/or D365 CDS online(MFA and non-MFA) programmatically using c#. I will list down how you can create connection strings for the same below.

  • D365 CDS Online (Non-MFA)

Note: As per Microsoft announcement, Use of the WS-Trust authentication security protocol when connecting to Common Data Service is no longer recommended and has been deprecated; see the announcement.

This change only impacts client applications that connect to the Common Data Service. It does not impact custom plug-ins, workflow activities, or on-premises/IFD service connections.

Please check my blog post, “Connect to Multi-factor Enabled D365 CDS Programmatically” for more details.

  • D365 CE (On-Premise)
    Method 1

Method 2 (On-Premise without IFD)

Hope this helps to achieve your goal. Please share your comments.

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