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Microsoft Dynamics 365 v9.0: How to fix connectivity issues between SSDT + Report Authoring Extension and Dynamics 365

At the moment (February 14, 2018) Microsoft hasn’t released version of Report Authoring Extension that supports both v9.0 and enforced TLS 1.2. This post will help people who develops reports for latest Dynamics 365 v9.0 using SQL Server Data Tools and FetchXml Authoring Extension.

This is how it looks now when you try to run report against v9.0 – you enter credentials, click “Login”, choose correct instance, click “Login” and you sent back to first form with additional message at the bottom of form:

Here are steps how to fix it:

  1. Download and install Fiddler if you still don’t have it.
  2. Run Fiddler. Open Tools -> Options -> HTTPS:

3. Click on highlighted text after “Protocols” label and add ;tls1.2 text at the end and click “OK”:

After that run report and ensure that it works as expected.

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