i have resized multiple VMs in my Azure HDP as per https://hortonworks.github.io/cloudbreak-azure-docs/azure-clusters-manage/index.html
after the resize one of the VMs is not resolving the FQDN and cant even resolve any DNS records
while other VMs in the same Vnet/Subnet are working fine
We had the same problem upon resizing the machines via the azure portal.
Here are the steps to fix the issue :