High severitydata source
Power BI Refresh Error:
KustoWriteFailed
What does this error mean?
An ADF or Fabric pipeline failed to write data to Azure Data Explorer (Kusto). The write operation was rejected or failed during ingestion.
Common causes
- 1Transient error during the write operation to Azure Data Explorer (Kusto)
- 2Permanent configuration issue — wrong cluster URI, missing permissions, or schema mismatch between source and target table
How to fix it
- 1Check the full error message — KustoWriteFailed includes the underlying Kusto error detail
- 2For transient failures: configure retry on the ADF copy activity (recommended: up to 3 retries)
- 3For permanent failures: review your linked service configuration (cluster URI, database name, authentication)
- 4If the error persists after checking configuration, contact Azure Data Explorer support