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Fix Teams: We Couldn’t Add a Buddy to the Group – Technipages

Microsoft Teams may sometimes fail to add a new user to your group. When this issue occurs, the app usually displays the following error message: “We couldn’t add a buddy to the group.” As you can see, this error is pretty confusing as it doesn’t offer any details as to why the app couldn’t add the new contact to your group.

Try logging out of your account, exit Teams completely, log back in and check if there’s a newer app version available. Update Teams, and if the error persists, continue the troubleshooting process with the methods below.

Fix “We Couldn’t Add a Buddy to the Group” Error on Teams

Look up Their Name First

Several users could fix this error by simply searching for the problematic user’s name in the Teams search window. So, before you try to add them to your group, look up their name first and click on their profile. Then, check if you can add them without getting the same error again.

Make Sure There’s Prior Communication

Alternatively, other people resolved this issue by sending the user a direct message and saving the chat contact to favorites. Check if this quick workaround solves the problem for you as well. Additionally, check if you still get the same error message when adding the new user using the Teams web app.

Indeed, it seems that adding a new user to the group requires prior communication with the respective user for the feature to work. For example, if you go to Calls →  Speed DialNew group and attempt to create a group with a user you never talked to before, you’re going to get this error message again.

teams speed dial new group

On the other hand, if you go to Calls Contacts → Add Contact, you should add the user to your group. add new contact microsoft teams calls

By the way, don’t forget to contact your IT admin and make sure they gave you the necessary permissions to add new contacts.

Send a Test Email and Fill the Mail Attribute

Other users noticed this error occurred when adding new users with empty mailboxes. Try sending a test message to their mailboxes and check if you can add them to your group afterward.

Alternatively, several admins solved this problem by adding the e-mail address on the user object in AzureAD. If you’re not an admin, you need to contact your IT admin for further help.

This issue may have to do with the fact that the mail attribute is not filled for the problematic user accounts. This usually happens if there’s no Exchange license properly assigned to the respective accounts.

However, assigning an Office 365 trial license to the problematic users should fill in the mail attribute and solve it. The admins who used this method confirmed that removing the trial license keeps the mail attribute filled. Hopefully, this method works for you as well.


Microsoft Teams may sometimes fail to add a new user to your group if you haven’t talked to or messaged them before. If you’re an admin, make sure there’s an Exchange license assigned to the respective accounts. Even a trial license will do. Are you still experiencing the “We couldn’t add a buddy to the group” error? Let us know in the comments below.

This post was written by Madalina Dinita and was first posted to Technipages

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