just solved with MS support, this was the process to solve: https://learn.microsoft.com/en-us/azure/virtual-machines/troubleshooting/troubleshoot-stuck-updating-boot-error#remove-the-update-that-causes-the-problem
it took a while to find it, but then fixing was quite straightforward
your virtual machine is unavailable because of connectivity loss to the remote disk
Claudio Zumerle
6
Reputation points
After an unplanned shutdown for connectivity loss error, my VM keeps restarting and is unavailable. Trying to reapply or redeploy does not work and the VM is still unavailable. How can I solve the issue?
Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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Claudio Zumerle 6 Reputation points
2021-01-05T18:07:04.95+00:00 -
Andreas Baumgarten 123.7K Reputation points MVP Volunteer Moderator
2021-01-03T23:29:57.063+00:00 Maybe it was only a hiccup with the Azure storage in the datacenter.
You should give a try again.
If the issue persists best option is to create an Azure support ticket.
(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten