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Using Username() in DAX with Row-Level Security

The trick to getting the DAX function Username() to return the user’s User Principal Name (UPN) in Power BI is to configure Row-Level Security (RLS) on the dataset within the Power BI service. If you haven’t enabled RLS, you may see some odd results.

Last week I posted a video about using Row-Level security in Power BI, and in the comments of the video I received a question regarding how to use Username() within a DAX expression.

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Tags: security, dax, tabular

 

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