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Post Patron
Post Patron

Disable welcome message when user added to M365 group

Hi all,

I would like something like this:

In Power Automate:

  1. disable welcome message for M365 group "xyz"
  2. add users to M365 group "xyz"
  3. enable welcome message for M365 group "xyz"

I can do in PowerShell, but here I would like to only use Power Automate.

Has anyone an idea, if this can be done? Any help appreciated!

Community Champion
Community Champion

Hi @Frankie70,

could you show how you do that  using  PowerShell?

Contact me if you are interested in custom Power Automate development.
Super User
Super User

Hi @VictorIvanidze,


As far as I am aware you can only set this setting at the creation of the Group with the Graph API. You can use the resourceBehaviorOptions array property for this.


Updating it via a PATCH is not supported. The documentation has a note about that:

These behaviors can be set only on group creation (POST).


Below is an example to disable the welcome message using the Send an HTTP request action of the Office 365 Groups connector.


    "description": "Disable Welcome E-mail",
    "displayName": "Disable Welcome E-mail",
    "groupTypes": [
    "mailEnabled": true,
    "mailNickname": "disablewelcomeemail",
    "securityEnabled": true,
    "resourceBehaviorOptions": [



Happy to help out! 🙂

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Connect-ExchangeOnline -UserPrincipalName $myusername -Credential $cred
# Disable Welcome Message
Set-UnifiedGroup $Groupname -UnifiedGroupWelcomeMessageEnabled:$false
#Enable Welcome Message
Set-UnifiedGroup $Groupname -UnifiedGroupWelcomeMessageEnabled:$true

Hi @Expiscornovus 

thanks a lot for your messaged idea.

We will try this!

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