Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Chart.Line in Adaptive Card renders incorrectly on iOS Teams app when x-axis values are string type
Description When sending an Adaptive Card containing a Chart.Line element to MS Teams, the chart fails to render correctly on the iOS Teams mobile app if the x-axis (x) values are of string type (e.g., "Day 1", "Day 2", ...). All data…
Microsoft Teams | Development
How to override the default system prompt injection in the Teams AI Library
Our Teams AI Library bot is triggering "Context length exceeded" errors because the Copilot middleware injects too much system metadata into each turn. This overhead truncates user messages and exhausts our token budget before the LLM can…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Teams custom teams bot failed to open task module page in dialog
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Unable to update or, after delete, add my Teams app after a manifest update
After changing bots->supportsFiles to true I was able to upload my manifest but could not update the app version, even after quitting Teams and clearing the cache. After deleting it I could not add it back. I reverted to the last working manifest,…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
is it possible to make 1 : 1 call from the microsoft graph api without using bot ?
Hii I am new to microsoft graph APIs and i would like to know if it is possible to make 1 to 1 call from the microsoft graph api without using the bot. My requirement is to make call from my platform to customers teams. I do not want to use deep…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Teams SDK initialization to fail in deployed environments, and how can it be reliably fixed?
A custom Microsoft Teams tab works in the browser but intermittently fails inside the Teams client with an “SDK not initialized” error, even though initialization code is present. {
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
[Bug] Adaptive Card Chart.Line X-axis renders all values as 0 when using ISO 8601 timestamp on macOS Teams
Summary When sending an Adaptive Card with a Chart.Line element to Microsoft Teams, the X-axis fails to render correctly on the macOS Teams desktop app if the X-axis data contains ISO 8601 formatted timestamps (e.g., 2024-01-01T00:00:00). All X values…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Graph API patch requests on 'place' related entities results in errors
I am running into 4 different scenarios where performing a "patch" request via Graph on Place related entities results in an error I did not expect. Patching a "Building" without setting a "Wifi state" results in error. …
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Teams app fail to acquire SSO token
I’m building a Teams app that uses SSO via the Teams JavaScript SDK (getAuthToken), but the call intermittently fails with errors like “Failed to fetch token” or returns an empty response. The app is properly registered in Azure AD and works in some…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Delay in Fetching Bot Details After Unblocking in Teams Admin Center
After uploading the bot to the app catalog, it appears as blocked in the Teams Admin Center. Even after changing the status to unblocked, the bot details are not fetched immediately and are only available after some time. Could you please explain why…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Auto Meeting Session timeout
I am building a MERN stack application where I create Microsoft Teams online meetings using Microsoft Graph API. My use case: Meetings are scheduled with a fixed duration (e.g., 30–60 minutes) Participants receive the meeting link and join via…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Your app package failed the validation
I created an agent in Copilot Studio. I published it to teams channel. I clicked "See agent in Teams" (picture 1), but it returns an error "Your app package failed the validation" (Manifest parsing error message unavailable) as seen…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Teams Creation via API: Class Home page issue
Dear all, in our education environment, we have set up that from our school management program, Teams in MS are being created automatically, programatically via MS Graph API. It works all well and good with all, except the class home page. When I first…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Using Facilitator App in TEAMs and noticed that lines on the loop are duplicated
Using Facilitator App in TEAMs and noticed that lines on the loop are duplicating. It is happened when I look at the meeting loop and also when I go in to the component. I scheduled the meeting so I was able to remove the duplicate lines but can see it…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Microsoft Teams Graph API: Unable to admit external Gmail users to meetings with lobbyBypassSettings="everyone" - allowedLobbyAdmitters conflict
Problem Summary I'm developing a Teams meeting automation solution that creates online meetings using the Microsoft Graph API. I'm encountering a situation where external users (Gmail accounts) are unable to join unattended meetings despite having…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Enable Graph Communications Calling API for Azure Bot App Registration
We need to enable the Graph Communications Calling API for our Azure AD App Registration. [Moderator note: personal info removed] We are receiving 9999 Internal Server Error when calling: POST /beta/communications/calls Required APIs: POST…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Where does Voice Applications Analytics Collector (VAAC) store its data?
I am trying to find where the Voice Applications Analytics Collector (VAAC) service stores its data. I would have assumed it would be somewhere in Monitoring, but I have been unable to find anything that it ties to. The end goal is to either extend how…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
M365 Agents Toolkit v6.6.0 got 429 Throttling during teamsApp/extendToM365
The new M365 Agents Toolkit v6.6.0 that just dropped this month. I’m trying to use the teamsApp/extendToM365 action to push my app out, but it keeps spiraling into a 429 Too Many Requests loop. It looks like the toolkit is retrying every 2 seconds…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Suggested Actions do not appear when a message is updated
I have a Teams bot that operates in 1-on-1 direct messages with the following behavior: Initially sends a "thinking" message Updates the same message with the actual response after processing Includes suggested actions in the final response.…
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
Teams Bot: Receiving all messages from Private Channels using RSC permissions
I am developing a Teams bot/app that needs to receive all messages from a private channel without requiring a direct @mention. I am currently using Resource-Specific Consent (RSC) with the following permissions: ChannelMessage.Read.Group …
Microsoft Teams | Development
Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs