India, March 11 -- Due to an expired security certificate, devices are unable to cast on Google's second-generation Chromecast and Chromecast Audio, causing a significant and ongoing outage. The tech giant has acknowledged the issue and claims that a solution is in development.

Many users of these devices were unable to cast video to TVs and other screens on Sunday due to an "untrusted device" message. Tech-savvy internet users quickly identified the cause of the problem as an expired intermediate certificate authority, which Google had established to manage authentication for the affected devices, as reported by The Register.

This authority had been in effect for ten years before it expired on March 9, 2025. As a result, models relying...