Reading Time: 3 minutes Hotpatching is a way to install OS security updates on some supported Windows Server editions running in virtual machines (VMs) that doesn’t require a reboot after installation. It works by patching the in-memory code of running processes without the need to restart the process. Actually hotpatch is supported only on VMs and Azure Stack HCI created from images with the exact combination of publisher, offer and sku from the below OS images list:
