The Day Our Power BI Report Crashed the CEO’s Laptop
Last Updated on December 9, 2025 by Editorial Team
Author(s): Gulab Chand Tejwani
Originally published on Towards AI.
How a 2GB dataset, runaway DAX measures, and a security breach taught me everything about Power BI optimization
The email arrived at 7:47 AM on a Monday.
The article discusses a critical incident involving a failed Power BI report that caused immense panic just hours before a board meeting. It details the author’s rapid diagnosis of multiple issues within the Power BI ecosystem, including memory management mistakes and poor modeling practices, leading to the executive dashboard’s failure. The author shares the corrective measures implemented to optimize the report’s performance, illustrating how systematic analysis and rigorous testing can prevent future disruptions and ensure effective data presentation.
Read the full blog for free on Medium.
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