Microsoft Teams goes down as the company forgets to renew a certificate

Microsoft Teams went down recently (February 3) for almost three hours. Reason: Microsoft team forgot to renew a critical security cerificate. “We’re investigating an issue where users may be unable to access Microsoft Teams. We’re reviewing systems data to determine the cause of the issue. More information can be found in the Admin center under TM202916,” read the first post from the company on its official Twitter account (@MSFT365Status).
This was followed by, “We’ve determined that an authentication certificate has expired causing, users to have issues using the service. We’re developing a fix to apply a new certificate to the service which will remediate impact. Further updates can be found under TM202916 in the admin center.” As a result during the outage, the app reportedly feailed establish HTTPS connection with Microsoft servers.
“We’ve initiated the deployment of the updated certificate and are monitoring service health as the fix progresses. Additional information can be found under TM202916 in the admin center,” the company further said.