Safeguarding Sensitive Data in Microsoft 365 Copilot with Purview DLP (GA Release)

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The challenge with sensitive data and access to Copilot Microsoft 365 Copilot empowers users with AI-driven assistance across Microsoft 365 apps, but it also raises concerns about accidental oversharing of sensitive information. In response, Microsoft has extended its Purview Data Loss Prevention (DLP) capabilities to Microsoft 365 Copilot, allowing organizations to enforce information protection policies within AI workflows. The DLP for Microsoft 365 Copilot has been in preview for some time, but Microsoft has now announced it is released for GA (General Availability). Among some of the interesting features are new features like alerting and policy simulation. Key details:  Rollout Timeline: As of June 2025, the rollout has begun. It should be completed worldwide by late July 2025. Scope: Initially, DLP for Copilot was available for Copilot Chat scenarios. By the time of GA this is expanding to Copilot in core Office apps (Word, Excel, PowerPoint) as well. Ensuring that DLP prote...

LineURI still a part of the user after removal

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Ever been in my shoes;
About to enable a user for enterprise voice, but you're not allowed as the number is already in use?
Only problem is; You could swear the number isn't in use any more, as you removed a user with that number just a few days ago. With the exact same number.....

Well, here is something I discovered in a deployment at a customer site:
When you remove enterprise voice from a user, you do NOT remove the LineURI property from the user. So when you try to reuse the same number, it is still listed as in use.

You have to remove the assigned number prior to disabling the enterprise voice feature on a user, for it to truly be freed.

What was that? You don't remember which user you edited yesterday (or a few days ago)?
Here is quick tip. Launch powershell, and type the command: "Get-CsUser | ft -Property name, LineURI" This will give you a list off all of your CS users, and their corresponding phone numbers.

Just look for the number you are trying to add to another user, and identify to which user it already belongs to. Then move over to the control panel, locate the user, enable it for voice, remove the number, and disable the voice again...