Task Module shows popup but Adaptive Card does not render using M365 Agent SDK (Python)
I am using the new M365 Agent SDK for Python to return a Task Module (task/fetch). The popup opens successfully when I click the button in Teams, but the Adaptive Card inside the Task Module does not render. Instead, Teams shows the generic…
Microsoft Teams | Development
Single Tenant Teams Bot (Dev Portal only) gets 401 Unauthorized on Outbound Messages
Body: Hi Microsoft Teams Developer Support, I am developing a Single Tenant bot registered via the Teams Developer Portal (dev.teams.microsoft.com). My bot successfully receives messages (via ngrok webhook), but fails to send any outbound messages…
Microsoft Teams | Development
Can an External Teams user access a custom app added to a meeting by the organiser
I'm developing a tab app for Microsoft Teams which can be added to meetings/town halls/webinars by the organiser so participants can access the app during the meeting. The app itself is a basic static tab and just a host for our web application which is…
Microsoft Teams | Development
Automatically retrieve who actually attended Teams meetings (not just who was invited) - using Graph API
Hello, it seems like Microsoft Graph API doesn't allow access to the meeting object itself for calendar-created meetings. I received the following output (removed sensitive data and added gibberish). { "user_id":…
Microsoft Teams | Development
gettin error for inactivity in copilot studio Sorry, something unexpected happened. We’re looking into it. Error code: SystemError. Conversation ID: a:1b8euSQJ8INfETIBccWnEKkteVi-_foWAD2W-zSdeoxBr1vFKmELN3fcyDqzSIVLlqEpU6zYY7fpBL6mnotO9DRsVorkxNddQrz3uYuI
getting error in teams after inactivity triggers Sorry, something unexpected happened. We’re looking into it. Error code: SystemError. Conversation ID:…
Microsoft Teams | Development
Azure Bot Service stopped working with Teams
i have a microsoft azure bot service in multiple envs, we also have a MS Teams app we install for our clients up until yesterday everything was working, now when we talk with our bot we don't get a call to the messaging endpoint at all - no modification…
Microsoft Teams | Development
Local Network Access iFrame Restrictions Causing Development Problems
With the release of Chrome v143 and Edge v143, Local Network Access restrictions have been implemented. Due to this, our Teams app development has been halted as it now throws CORS errors in the dev environment. We have narrowed the problem down to part…
Microsoft Teams | Development
Microsoft Teams Bot Typing Status does not Display In the Teams
Microsoft Teams Bot Typing Status does not Display In the Teams.I am using copilot studio
Microsoft Teams | Development
How to enable switching between multiple parallel chats with a bot in MS Teams private chats?
Hello, I am currently exploring a solution for a specific requirement in our AI chatbot, which we are developing for MS Teams. The goal is to allow end-users, who use private chats to communicate with the bot, to manage multiple parallel…
Azure AI Bot Service
Microsoft Teams | Development
Azure OpenAI Service
Azure AI services
Microsoft Copilot | Microsoft 365 Copilot | Development
Teams Fails to Retrieve User Mailbox Settings from Exchange Online via Graph API
my Teams custom app can’t consistently read mailbox-level settings from Exchange Online using Microsoft Graph (specifically the /users/{id}/mailboxSettings endpoint). The same delegated permissions work fine when I test through Graph Explorer, but when…
Microsoft Teams | Development
What are the service-level or API-level limits that can affect real-time message processing in large channels?
which Microsoft Teams platform limits might impact real-time message processing or event handling within large channels. Specifically, I want to know how Teams handles high-volume activity when using message extensions, bots, and subscription-based Graph…
Microsoft Teams | Development
Teams SMS – Is there a supported way to open an SMS chat via deep link / URL from an external app?
Hi, This is a follow-up to these two previous questions: …
Microsoft Teams | Development
Teams Meeting Side Panel app shows “Conversation was not found (404)” next day — is this a known issue?
Hi Team, I am developing a Microsoft Teams Meeting Side Panel app using this sample: https://github.com/OfficeDev/Microsoft-Teams-Samples/blob/main/samples/meetings-sidepanel/nodejs Everything works perfectly on the same day when I run my app. I have…
Microsoft Teams | Development
Dynamic prompt suggesstions
We are building a RAG-based Teams bot system and are currently working on implementing dynamic prompt suggestions. Our goal is to update the prompt suggestions each time based on the user’s previous question. Is this approach possible? Most of the…
Microsoft Teams | Development
Render adaptive card full width in Teams
I'm experiencing the width issue with adaptive card rendering in teams — even when using: YAML msteams: { "width": "full" } With msteams: { "width": "full" } The rendering is slightly better compared to the…
Microsoft Teams | Development
How to remove someone who has registered for my Teams Webinar
How do remove someone from the registered attendee list of my webinar?
Microsoft Teams | Development
Falsely banned account
Microsoft has consistently demonstrated poor business practices. I have been an Xbox user for the past eight to nine years, spending over hundreds of dollars on the account and creating numerous cherished memories with friends. However, I recently…
Microsoft Teams | Development
How to allow Microsoft Teams Agents to view external URLs
I am trying to build an AI Agent using my company's teams website. However, the agent isn't able to view external links such as a Figma document or a live website. How do I configure the AI Agent so it is able to read my external links? I would really…
Microsoft Teams | Development
Teams Meeting Side Panel app: /v1/meetings/{meetingId}/participants API always returns empty array
Hi everyone, I’m working on a Teams Meeting Side Panel app (Node.js + Bot Framework) and I’m trying to show the list of meeting participants. Internal users are fine, but external/guest users (for example “Mayank – Unverified”) never show up. I’m calling…
Microsoft Teams | Development
Microsoft Teams Side Panel (Node.js) Local Debugging Issue: Connectivity Lost After Ngrok/Local Tunnel Restart
I am developing a Microsoft Teams Meeting Side Panel using the official Node.js sample: https://github.com/OfficeDev/Microsoft-Teams-Samples/tree/main/samples/meetings-sidepanel/nodejs. The application works perfectly when initially deployed and hosted…