Forum Discussion

Brass Contributor

Mar 24, 2026

Solved

What caught you off guard when onboarding Sentinel to the Defender portal?

Following on from a previous discussion around what actually changes versus what doesn't in the Sentinel to Defender portal migration, I wanted to open a more specific conversation around the onboard...

AnthonyPorter
Apr 06, 2026
I went ahead and wrote up the full breakdown based on the framing above. If it's useful for anyone working through this: https://securingm365.com/defenderxdr/sentinel/sentineldefender-part2/
Covers the 4 audit aspects I believe need to be considered, before commencing the migration in any production environment.
Would genuinely welcome any pushback or edge cases people have hit that aren't in there.

AnthonyPorter

Brass Contributor

Apr 06, 2026

I went ahead and wrote up the full breakdown based on the framing above. If it's useful for anyone working through this: https://securingm365.com/defenderxdr/sentinel/sentineldefender-part2/

Covers the 4 audit aspects I believe need to be considered, before commencing the migration in any production environment.

Would genuinely welcome any pushback or edge cases people have hit that aren't in there.