Prerequisites

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• Make sure you are able to repro it on the latest released version
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• Refer to Differences between Windows PowerShell 5.1 and PowerShell.

Steps to reproduce

MSIEXEC /i powershell-7.4.7-win-x64.msi /qb DISABLE_TELEMTRY=1
[process is called as LocalSystem]

Expected behavior

setting env variable POWERSHELL_TELEMETRY_OPTOUT

Actual behavior

env variable isn't set

Error details

msi log says "Ignoring disallowed property DISABLE_TELEMETRY"

Environment data

windows 11 pro

Visuals

No response