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PowerBI Service Sync failed using connection type=file via Gateway to an .accdb
I'm trying to schedule a refresh a Semantic Model using connection via Gateway (cluster), using a windows account enabled to write, read, execute actions, to an .accdb file containing tables+forms; p...
"Power BI can connect to data by using existing connectors and generic data sources, like ODBC, OData, OLE DB, Web, CSV, XML, and JSON. Developers can also enable new data sources with custom data extensions called custom connectors. Microsoft certifies and distributes some custom connectors as certified connectors."
Connector extensibility in Power BI - Power BI | Microsoft Learn
have you tried some custom connector to Access .accdb file ?