Article ID: 000035688 Content Type: Troubleshooting Last Reviewed: 07/26/2021

How to Fix the Error IRQL_not_less_or_equal in the iastora.sys of an Intel® Server Board

Environment

Intel® Server Board S1200SPLR

windowsserver2012r2

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Summary

Workaround for the IRQL_not_less_or_equal error.

Description

An Intel® Server Board crashes with blue screen and the error message: IRQL_not_less_or_equal. The error message confirms it is related to the iastora.sys system file for the embedded RAID controller of an Intel® Server Board.

Resolution

Reinstall the operating system using a different installation image, and re-create the RAID array from scratch.

Related Products

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