Latest update from Microsoft:
July 21, 2022 1:43 PM · Quick update
We've performed targeted restarts and recommend that users that are experiencing failures when attempting to create or join calls, meetings, or send chats, restart their client. This quick update is designed to give the latest information on this issue.
July 21, 2022 12:07 PM · Quick update
We're receiving many reports that users are able to access Microsoft Teams, and many functions are beginning to recover. We're continuing work to fully restore the service at our highest priority. This quick update is designed to give the latest information on this issue
July 21, 2022 11:49 AM
Title: Users can't access Microsoft Teams User Impact: Users may be unable to access Microsoft Teams. More info: Reported impact scenarios include, but may not be limited to, the inability to access to the service, initiate messaging, calling, and meetings. The desktop app may sign in successfully, though all functionalities may be down, and users may see the following message: “We ran into a problem. Reconnecting…” Users leveraging the web client may see a message stating “Operation failed with unexpected error.” Current status: We understand the impact that this issue has caused to your organization and are treating this issue with the highest priority. We’ve taken action to reroute a portion of traffic in an effort to provide some relief within the environment. We anticipate that some users may be able to access some features of Microsoft Teams shortly. Scope of impact: This issue may potentially affect any user attempting to utilize the Microsoft Teams service. Root cause: A recent deployment contained a broken connection to an internal storage service, which is causing an issue in which users may be unable to access Microsoft Teams or utilize any functions within the service. Next update by: Thursday, July 21, 2022, 1:00 PM (5:00 AM UTC)
July 21, 2022 11:28 AM · Quick update
We're rerouting Microsoft Teams traffic to an alternate region in an effort to provide some relief and potentially restore some functionality to the service. This quick update is designed to give the latest information on this issue.