Virtual Machines all got restarted together, how to avoid that?

Question

My virtual machines got restarted together by fabric controller. I think this is because I set them all in one virtual network and one affinity group. How can I avoid them been restarted together? They must be in the same network

Answer 1

Setting up redundant virtual machines and using availability sets ensures that your service will remain online during maintenance operations by the fabric controller (like the one that occured this weekend).