I'm currently using Microsoft Business Premium and noticed they launched a Purview Add-on for Business Premium users, which seems like a good way to avoid upgrading to E5 for now. I tried out a few licenses and was able to access all the features and even view data, but I'm curious about how implementation works. Do all users need licenses for this? I suspect Email Encryption will definitely require licensing for everyone, but what about the other features? If anyone's using Purview, did you have to license every user in your environment?
4 Answers
Make sure to license all users who might use any of the upgraded features. It’s important to avoid being caught off guard in a Microsoft audit, which can be a real headache.
For sure, you have to assign the Purview license to all users who will potentially access these features. It covers all bases and helps avoid issues down the line.
We're facing a similar issue with DSPM for AI. Even without any policies in place, it shows tenant-wide data. There’s a debate whether all users need a license since it appears tenant-wide, or just those affected by specific policies.
Yes, you'll need to license all users who will use the Purview features, just like you would with any other Microsoft subscription. It's better to be safe and ensure everyone who might use it has a license.

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