Private Channels Limit & Deleted Private Channels

Hi,

I am looking for some clear, concise, official answers for questions regarding the private channels limit in a single team and what happens to the deleted private channels.

1. I read the documentation about private channels in Teams.  I want to highlight this quote from the article:

Team owners can see the names of all private channels in their team and can also delete any private channel in the team. (A deleted private channel can be restored within 30 days after it's deleted).

2. I read the documentation about the limits in Teams.  I want to highlight this quote from the article:

³ Deleted channels can be restored within 30 days. During these 30 days, a deleted channel continues to be counted towards the 200 channel per team limit. After 30 days, a deleted channel and its content are permanently deleted and the channel no longer counts towards the 200 channels per team limit.

So from no.2 I understand that only deleted standard channels count towards the limit and after 30 days have passed from the day of deletion, they are permanently deleted and stop counting towards the limit.

I couldn't find anything official about what happens to a deleted private channel after 30 days because no.1 is short on details.  I assumed (and I was wrong) that it would also be permanently deleted.  From my situation, after 30 days from when a private channel is deleted, the private channel is still listed under Deleted in the Channels list of the team.  You can still 'restore' the channel contradicting no.1.  But the sharepoint files and conversations will be gone and have to start from scratch.  Which is fine because that's after 30 days and that is not my issue.

 

My issue is why aren't deleted private channels permanently deleted after 30 days like standard channels?  They keep counting towards the limit.  Does this have anything to do with private channels having their own sharepoint site collection? It's a problem that deleted private channels keep counting towards the limit even after 30 days have passed compounded by the fact one can only have 30 private channels in a single team.  So once you have reached the limit, that's it.  No more private channels in that team. 

Another issue is that there seems to be something wrong with the limit.  We have a team where it is saying "Your team has reached the maximum number of private channels."  So I went to count the number of private channels and it is 25 Active and 3 Deleted.  So that's 28.  Should be able to create 2 additional channels.  In total there are 32 channels including standard, private, active and deleted.


The main question that I would like to be answered:

Deleted private channels keep counting towards the private channel limit even after 30 days have passed.  Is this how it's supposed to be? If yes, why, and is there a possibility this will change?

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Hello Rake,

Thanks for your detailed information.

Regarding to your main problem, there might be several possible reasons. To check for the reasons, I'd like to confirm some information. Please contact your Office 365 admin to go to Office 365 Security & Compliance to see if there is any retention policy which might prevent the private channels from being deleted. Besides, Litigation hold and Archive also might be the possible causes. You can work with your Office 365 admin to check them. 

As for the private channel limit problem, I suggest you check all your channels via PowerShell. To do that, the steps are as follows:

1.  Open Windows PowerShell and install Microsoft Teams module.

2.  After installing the module, run the command: Connect-MicrosoftTeams

3.  Then run this command to get the team's GroupId: Get-Team

4.  Run the command to check all active channels: Get-TeamChannel -GroupId <the group id of your team>.

eg. Get-TeamChannel -GroupId af55e84c-dc67-4e48-9005-86e0b07272f9

As a workaround, you can restore one of the private channel and then change the name for further use.

Welcome back to share the result with me.

Regards,

Seven

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Hello Seven,

Can you please answer these questions? 

Do deleted private channels count towards the private channel limit of 30?

Are deleted private channels supposed to be permanently deleted after 30 days like standard channels freeing up space for new channels?

We don't have retention policies, litigation hold or archive enabled. 

Got something interesting from powershell regarding the team that supposedly "reached the limit".

Using the Get-TeamChannel, it lists 2 fewer active private channels than it is listed in the Teams application.  When I go to check who is the owner of those 2 private channels from the application, I get "We can't get the list of channel owners right now.  Please try again later."  I also checked from the Teams Admin portal and they are not listed there either.  So it seems they were deleted? but are stuck under Active and not even under Deleted.  Also there doesn't seem to be a way to list deleted channels using powershell.

I also tried to create a private channel in this Team from the Teams Admin Portal and I get "We can't add the channel right now. Please try again. If you continue to have problems, contact Microsoft customer support." 

The issue of deleted private channels not being permanently deleted after 30 days happens in other teams though so it is not something specific to this team. 

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Hi Rake,

I'm sorry for delay.

As for your question, the answer is yes and your understanding is correct. 

Regarding to the channels you find out when running PowerShell, you can try whether they can be deleted via the command: Remove-TeamChannel.

Since there is no SharePoint or Teams retention policy assigned, this might be related to the server. For further assistance, I will provide the further suggestion to you in the Private Message, please kindly check my reply there.

Regards,

Seven

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Hi Rake,

I'm sorry for delay.

As for your question, the answer is yes and your understanding is correct. 

Regarding to the channels you find out when running PowerShell, you can try whether they can be deleted via the command: Remove-TeamChannel.

Since there is no SharePoint or Teams retention policy assigned, this might be related to the server. For further assistance, I will provide the further suggestion to you in the Private Message, please kindly check my reply there.

Regards,

Seven

Hi Seven, 

I currently have one department that is experiencing the same issues as Rake, Private channels that have been deleted and are over 30 days old are still counting towards the Private channel quota.  We do not have retention policies, litigation hold or archive.  Is there something else I can try to purge the older deleted private channels from counting towards the 30 private channel limit? 

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Hi Rake,

I'm sorry for delay.

As for your question, the answer is yes and your understanding is correct. 

Regarding to the channels you find out when running PowerShell, you can try whether they can be deleted via the command: Remove-TeamChannel.

Since there is no SharePoint or Teams retention policy assigned, this might be related to the server. For further assistance, I will provide the further suggestion to you in the Private Message, please kindly check my reply there.

Regards,

Seven

Hi Steven,

Did you have a solution to this issue? We just rolled out Teams across the company and I have realized now in our Testing Team we created that there is private channels that have been deleted over 6 months ago that are not deleted yet. We do not have any retention on the tenant over 90 days. Remove-TeamChannel only soft deletes the channel it does not hard delete the channel. I am concerned that this will come to bite us later on as Teams get used in the company and sub discussion groups come and go.

Thank you,

Rachel

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Hi Rake,

I'm sorry for delay.

As for your question, the answer is yes and your understanding is correct. 

Regarding to the channels you find out when running PowerShell, you can try whether they can be deleted via the command: Remove-TeamChannel.

Since there is no SharePoint or Teams retention policy assigned, this might be related to the server. For further assistance, I will provide the further suggestion to you in the Private Message, please kindly check my reply there.

Regards,

Seven

Hi Steven,

Did you have a solution to this issue? We just rolled out Teams across the company and I have realized now in our Testing Team we created that there is private channels that have been deleted over 6 months ago that are not deleted yet. We do not have any retention on the tenant over 90 days. Remove-TeamChannel only soft deletes the channel it does not hard delete the channel. I am concerned that this will come to bite us later on as Teams get used in the company and sub discussion groups come and go.

Thank you,

Rachel

Hi, I have the same problem, and yet to find any retention policies that are causing it, so would love any suggestions you can offer. Thanks

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An update,

I have noticed that the deleted private channels are gone.  Probably in August but not sure.  Either Microsoft fixed it or it takes more than 30 days.  I created one today and deleted it.  Will let you know the result.

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Final update,

Microsoft fixed it.  The private channel is gone after 30 days.  Also they added this in the documentation:

³Deleted channels can be restored within 30 days. During these 30 days, a deleted channel continues to be counted towards the 200 channel or 30 private channel per team limit. After 30 days, a deleted channel and its content are permanently deleted and the channel no longer counts towards the per team limit.

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When you say "Microsoft fixed it", do you mean your specific support case or in general? Because we have this issue in our tenant still and it drives me crazy as an admin. 

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When you say "Microsoft fixed it", do you mean your specific support case or in general? Because we have this issue in our tenant still and it drives me crazy as an admin. 
I'm with you jlad00 - Definitely not fixed for us either. After deleting private channels, they seems to stay there forever - we have some coming up for 5 months old.

You can't see them when pulling Powershell lists of Public and Private channels, as it only appears to list active ones - not deleted, but they are definitely still counting towards the 30 private channel limit, as we can no longer create more. Have looked at SharePoint retention and still no joy, so unsure what is preventing them from being deleted.

Appreciate any advise on what others have found on this subject. Thanks

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Last updated January 28, 2025 Views 10,245 Applies to: