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Help with connecting to Microsoft Dynamics 365

  • May 18, 2026
  • 0 replies
  • 1 view

mnash
Contributor
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Hi,

Following the instructions: How to Connect to Microsoft Dataverse using FME Form – FME Support Center

I can successfully authenticate to Dynamics 365. However, when I create a Reader and attempt to List the available tables, I get HTTPError: 404.

The error message suggests the URL is being incorrectly formed by including “/user_impersonation offline_access/”

<domain> is redacted real address….

Error URL:

https://<domain>.crm6.dynamics.com/user_impersonation offline_access/api/data/v9.2/EntityDefinitions?$select=LogicalName,EntitySetName,DisplayName,PrimaryIdAttribute&$filter=IsValidForAdvancedFind+eq+true

Expected URL:

https://<domain>.crm6.dynamics.com/api/data/v9.2/EntityDefinitions?$select=LogicalName,EntitySetName,DisplayName,PrimaryIdAttribute&$filter=IsValidForAdvancedFind+eq+true

All assistance gratefully received….