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Azure Analysis Services Perspectives not Returning Data

When we connect to our Azure Analysis Services instance in Power BI Desktop and, everything works if you are going through the default perspective, but if any perspective is chosen, no data is returned and an "Unexpected Error" is given. This is breaking every report we have, because they are all using AAS.



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Status: New
Community Support Team

@amfailor ,


Please check if any data column type or name has been changed in ssas model.



Jimmy Tao


We are also experiencing this problem. No change on the AS model. Can connect to the default model but can't connect to any perspective.

@amfailor Microsoft are suggesting that this may be caused by a service upgrade late last week.

Occasional Visitor



This is not SSAS. We are using Azure Analysis Services which had an update released the night before we started seeing issues.


I've recreated this issue on 2 servers for 5 different models for 5 different people. Nothing has changed to any of the models.

Regular Visitor

@amfailor This is a legit bug. A client of ours ran into the issue and submitted a support request. MS support and the product team are aware of the issue, but it sounds like a fix may be a few days or more away. 

Occasional Visitor

Thanks for the comment @Meagan 


We have a ticket open with Microsoft support.  Took 4 or 5 days for a confirmation of what we thought was happening, but they do appear to be working on it now.  Hopping for a quick(ish) resolution. This has taken down the majority of our company's reports, unless we redeploy every single report individually, which we'd have to change back once it is fixed. Not really feasabile when we have hundereds of reports relying on AAS models.