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bootc-images/images/fedora-intune/files/mdatp-managed-config.conf
Wesley van TilburgandClaude Opus 5.5 5504f4e7aa fedora-intune: install the Defender managed config when Defender starts
The managed config shipped in /etc never reached updated devices:
mdatp-firstboot creates /etc/opt/microsoft/mdatp on the device, so ostree's
/etc merge treats that directory as local and doesn't add new image files
under it. VM 123 had the file in /usr/etc but not in /etc, and Defender
kept its defaults.

Ship it in /usr/share/mdatp-managed/ and install it into
/etc/opt/microsoft/mdatp/managed/ from an ExecStartPre in mdatp.service.
This also applies changes from newer images and undoes local edits.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-20 12:48:44 +00:00

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# Install the image's enforced Defender settings each time Defender starts.
# The image can't ship them in /etc directly: mdatp-firstboot creates
# /etc/opt/microsoft/mdatp on the device, so on updates that directory counts
# as local and ostree's /etc merge never adds new files under it. Copying on
# every start also picks up changes from newer images and undoes local edits.
[Service]
ExecStartPre=+/usr/bin/install -D -Z -m 0644 /usr/share/mdatp-managed/mdatp_managed.json /etc/opt/microsoft/mdatp/managed/mdatp_managed.json