And also make sure that Azure Load Balancer is configured properly.  SQL FCI will not work without the Azure Load Balancer properly configured.

I had the exact same problem, and the...

I am having the same problem.  i posted this on another post as well.  i have SQL 2016 on Windows 2016.  i have setup an FCI on Azure with two...

I am having the same problem.  my sql 2016 cluster is on azure.  i have opened 1433 tcp and 1434 udp ports in firewall and in azure network security group...