Microsoft is unlocking the "Full Potential" of Private Channels in Microsoft Teams: What You Need to Know

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It has been a while since I posted something just about a Microsoft Teams update, as a lot have been Copilot in Teams to be honest. But here is a real Microsoft Teams update I think is worth knowing about, and it involves Security and Compliance as well. Microsoft is rolling out a "major" update to private channels in Teams, starting in late September 2025 and continuing through mid-December. This biggest change in this update is a shift in how private channel data is stored from individual user mailboxes to a dedicated channel mailbox. Not only will this simplifie compliance management, it will also and align private channels with shared channels, making governance and experience more consistent across Teams. This update promises to increase the support up to 1000 channels per team and 5000 members per channel, removing previous limitations. Teams will also allow meetings to be scheduled directly within private channels, enhancing collaboration.  For organizations using Micr...

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...