Tax system down temporarily as billions of records move to cloud-based system

Comptroller Brooke Lierman said the current tax computer system, which dates back to when she was a student at Walt Whitman High School, will move from a mainframe to the modern cloud, with 4 billion files being transferred over the next two weeks.

By: Bryan P. Sears

Outlets: Maryland Matters

Published: August 20, 2026

Words: 673

Last Updated: 2 months ago


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Maryland’s tax administration system is getting update.

Comptroller Brooke Lierman Wednesday announced the current system — which dates back to when she was a student at Walt Whitman High School in Bethesda — will move from a mainframe to the cloud. Her office’s systems will be down for the next two weeks while the transfer happens.

” I just want to give a …

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