Forum Discussion
Helper I[0] -1056505856: COM error: Microsoft.PowerBI.ReportServer.ASEngineManagedRoot, Datasource
Hi Kate, we have fixes for various Datasource Not Found issues in the Report Server May 2021 release. Are you able to upgrade to see if this fixes your problem?
Microsoft EmployeeHi Kate, we have fixes for various Datasource Not Found issues in the Report Server May 2021 release. Are you able to upgrade to see if this fixes your problem?
- gsprague
If you cannot upgrade to May for whatever reason, there is a mitigation that could help:
Solved: Fix for "Datasource XXXXXX Not Found" PowerBI Refr... - Microsoft Power BI Community
sebaHelper II
Any mitigations for the following error - [0] -1056505856: COM error: Microsoft.PowerBI.ReportServer.ASEngineManagedRoot, The given data source kind is not supported. Data source kind: UnknownCallsite..
- gsprague
Hi, UnknownCallsite is an error message indicating dynamic datasources. Those are not supported for refresh. Here are some docs for further information:
Power BI report data sources in Power BI Report Server - Power BI | Microsoft Docs
Power BI report scheduled refresh in Power BI Report Server - Power BI | Microsoft Docs
- Katebrk
Hi! We've upgraded Report Server to May 2021 and were able to schedule refresh.
Thanks!
