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Teams External Chat
All the sudden today, chat with external contacts stopped working, and the contact shows as "Unknown User". I haven't changed any settings. Anyone could share some insights here? I tried different ac...
ChrisWebbTech Talked with Microsoft support, here is the incident details:
Issue communicating to federated usersTM194632, Microsoft Teams, Last updated: November 1, 2019 11:28 AMStart time: October 31, 2019 5:00 PMStatusService degradationUser impactUsers are unable to communicate to federated users through Microsoft Teams and may see a 403 error.Are you experiencing this issue?Is this post helpful?Latest message View historyTitle: Issue communicating to federated users User Impact: Users are unable to communicate to federated users through Microsoft Teams and may see a 403 error. Current status: We've identified that a certificate configuration problem is causing the issue. We've deployed a build to the affected environments to update the configuration of the certificate, which is expected to complete within the next hour. Scope of impact: This issue impacts users who have never initiated federated chats in Microsoft Teams. Start time: Thursday, October 31, 2019, 5:00 PM (10/1/2019, 12:00 AM UTC) Estimated time to resolve: We believe that the fix will be completely deployed within the next hour. Root cause: A certificate configuration problem is preventing users from communicating with federated users through Microsoft Teams. Next update by: Friday, November 1, 2019, 1:00 PM (8:00 PM UTC)
Sounds like a client issue but to eliminate try web client. Same issue there?
ChrisWebbTech Same thing across desktop, web and mobile. I don't think think it is the client issue since teams essentially is a web app (desktop just wrapped under Electron). It has to be something in the back end, but I checked the teams setting, nothing has changed, (external is enabled, etc.)