Microsoft announced back in May 2021 that they were switching root certificates used for some services. That announcement is more significant now, as devices uses Azure IoT core start their migration on 15 February. If you are using IoT core, you will want to familiarize yourself with the necessary changes. More on that migration can be found here. While updates tend to be automatic for phones and machines with desktop operating systems, your custom and embedded devices might need a manual update.
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