New Teams Calendar not allowing any of my 365 users to add events - I have to keep new calendar off?

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New Teams Calendar not allowing any of my 365 users to add events - I have to keep new calendar off?

IT 5

New Teams Calendar not allowing any of my 365 users to add events - I have to keep new calendar off? I checked policies. Need help

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Answer 1

Michelle-N 9,420 Microsoft External Staff Moderator

Hi @IT

Thank you for posting your question in the Microsoft Q&A forum!

I understand the current situation is that your 365 users are not able to add events to their channel calendars, and that this issue seems to be related to the "New Teams" client.

From my experience, please suggest that the user either updates their Teams app to the latest version or uses the web version to create the event. I have tested the Teams channel calendar on both the Outlook web and desktop applications, and I encountered no issues or errors. User's image

User's image

Could you please provide a screenshot of the error message you receive when creating the new calendar, or describe the issue in detail. I'm hopeful that the information you've provided will help me determine the best path forward for you.

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Michelle-N 9,420 Reputation points Microsoft External Staff Moderator

2025-06-11T04:55:57.2566667+00:00

Hi @IT

Is there any update from you?

If yes, please feel free to let us know.

If the issue has been resolved, please mark the helpful replies as answers.
Michelle-N 9,420 Reputation points Microsoft External Staff Moderator

2025-06-16T08:45:46.4033333+00:00

Hi @IT

It has been a while, and I am writing to see how things are going with this issue.

Have you had a chance to check the replies provided?

Any update would be appreciated
IT 5 Reputation points

2025-06-16T16:54:28.59+00:00

The old calendar has no issues., The new calendar has this error.
IT 5 Reputation points

2025-06-16T16:55:08.11+00:00

Here is the error on all users for ONLY the new calendart.
Michelle-N 9,420 Reputation points Microsoft External Staff Moderator

2025-06-27T08:59:00.65+00:00

Hi @IT

Thank you for the update. From my research, I know you've already checked the policies, but just to be absolutely certain, could you please help me verify that the specific setting is configured as follows?

After confirming that, the next step would be to check a few other items.

check that user has license for Exchange online

check that Calendar app is enabled in the default Global policy of Teams .

check that the user is using/has applied this Global policy

Furthermore, I came across this article which seems quite relevant and might be useful for you. You can find more details at https://v4.hkg1.meaqua.org/en-us/microsoftteams/policy-assignment-overview
or https://v4.hkg1.meaqua.org/en-us/microsoftteams/exchange-teams-interact

I hope this information can help you to solve your issue soon. If the issue persists, please feel free to send me more information
IT 5 Reputation points

2025-06-27T12:14:40.0866667+00:00

The NEW calendar does not work for ALL users. Temp resolution is to keep NEW calendar off. Old calendar works perfect for ALL users. Any other ideas?

checked that users has license for Exchange online

checked that Calendar app is enabled in the default Global policy of Teams .

checked that the user is using/has applied this Global policy

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New Teams Calendar not allowing any of my 365 users to add events - I have to keep new calendar off?

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