Microsoft 365 Alert : Service Degradation – Microsoft Teams – Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds – ONGOING

16/11/2022 11:40:00 AM (GMT)

NHSmail Reference : INC32780011

Microsoft Reference : TM467455

Issue Status : ONGOING

Issue Description : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.

More info : Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.

Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.

Current Update : 21/11/2022 15:45:00 PM – While Microsoft continue their analysis of network trace logs and attempts to reproduce the issue to confirm the root cause, they have received feedback from impacted users that impact is no longer occurring. Microsoft is preparing to deploy their fix to all affected environments to ensure full remediation, and expect the deployment to be complete by the time of their next scheduled update.

Root Cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.

Next Update By : Monday, November 28, 2022, 11:00 AM

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