Power Platform Community Forum Thread Details

Hello, i'm creating a flow with an implementation of teams post message with action 'Post_message_in_a_chat_or_channel'
But its not woking as it replay with an error:
"{

"error": {

"code": "UnsupportedTenantRegion",

"message": "Tenant home region 'tw' is not supported."

}

}"
Is there is a way to fix it?
Thanks in advice.

Categories:

Translation quality feedback

It looks like the error is happening because the Teams connector in Power Automate doesn’t support your tenant’s home region ('tw' for Taiwan). Unfortunately, some regions aren’t fully supported for certain Teams actions.

One option is using an Incoming Webhook in Teams. You can set this up in your channel and then use Power Automate to send an HTTP request to post messages. It’s a simple way to bypass the limitation.

Another approach is leveraging Microsoft Graph API. If you have access, you can send messages to Teams using an HTTP action in Power Automate, but you’ll need to register an Azure AD app with the right permissions.

If you're open to more advanced solutions, you could also set up an Azure Function or Logic App to handle posting messages for you.