Microsoft Azure – managed disks and port 8443 issue
Managed disks are new and maybe you have run into a deployment error with VMs using managed disks. The reason for that is mentioned in the notes, directly at the beginning of the documentation.
VMs with Managed Disks require outbound traffic on port 8443 to report the status of the installed VM extensions to the Azure platform. Provisioning a VM with extensions will fail without the availability of Read more [...]