Microsoft Teams
A Microsoft customizable chat-based workspace.
10,641 questions
403 Forbidden - subCode MessageWritesBlocked
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Behrouz Houshmandi
20
Reputation points Microsoft Employee
RE: '403 response code with a subCode: 'MessageWritesBlocked' stated in the following excerpt taken from this page,
"As a developer, you can create a report to understand which users in your organization have blocked, muted, or uninstalled a bot. This information may help your organization's admins to broadcast org-wide messages or drive app usage. Using Teams, you can send a proactive message to the bot to verify if a user has blocked or uninstalled a bot. If the bot is blocked or uninstalled, Teams returns a 403 response code with a subCode: MessageWritesBlocked. This response indicates that the message sent by the bot isn't delivered to the user."
I have tested the following 3 scenarios and while I did get a 403 response in all cases, the error content was very different from what is mentioned above, and the responses did not contain a subCode, as seen below. Could you clarify please where I can find the subCode? Or is that deprectaed? FYI, I am using the latest veridon of Bot Framework and TeamsFx
Scenario: bot removed from the target channel
Scenario: bot not installed in the one-on-one chat
Scenario: bot blocked by the user in the one-on-one chat
Microsoft Teams
Microsoft Teams Development
Microsoft Teams Development
Microsoft Teams: A Microsoft customizable chat-based workspace.Development: The process of researching, productizing, and refining new or existing technologies.
3,473 questions
{count} votes
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 49%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELM%3C/text%3E%3C/svg%3E)
LiweiTian-MSFT 22,625 Reputation points Microsoft Vendor2024-01-29T02:19:05.0966667+00:00 Teams tag is mainly focused on the general issue of Microsoft Teams troubleshooting. Since your question is related to Teams Development, which is not in our support scope.Thanks for your understanding!
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 78%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
Prasad-MSFT 7,791 Reputation points Microsoft Vendor2024-02-28T13:40:03.7+00:00 Could you please provide more details on your issue? It is not quite clear from the description.
When are you getting ''403 response code with asubCode: 'MessageWritesBlocked'?
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