Gateway

DM_GWPipeline_UnknownError

Power BI dataset refresh error: what it means and how to fix it.

What this means

A generic gateway-pipeline failure: the gateway could not reach the source (for a SAML source, the signing key was not loaded).

How to fix it

  1. Verify the data source is reachable from the gateway host.
  2. Check the gateway event logs for the underlying error.
  3. For a SAML source, reconfigure the signing certificate.
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Frequently asked questions

What does the "DM_GWPipeline_UnknownError" error mean?
A generic gateway-pipeline failure: the gateway could not reach the source (for a SAML source, the signing key was not loaded).
How do I fix it?
Verify the data source is reachable from the gateway host. Check the gateway event logs for the underlying error. For a SAML source, reconfigure the signing certificate.
Where does this Power BI refresh error appear?
It appears in a Power BI semantic model's refresh history when a scheduled or on-demand refresh fails.

Related gateway errors

Catch this automatically

RefreshRadar monitors every Power BI dataset refresh and emails you when one fails, with the likely cause and the fix, so you are not hearing about a broken refresh from your stakeholders first.