Question

Your company runs a fleet of 8 VMs behind a Standard public Azure Load Balancer. The VMs open many simultaneous outbound connections to an external partner API on a single destination IP and port. Users report intermittent connection failures, and diagnostics show SNAT port exhaustion. Which configuration change most directly resolves the outbound SNAT port limitation?

Accepted Answer

Add an outbound rule that allocates more SNAT ports per instance, optionally increasing the number of frontend public IP addresses

Answer

Change the load balancer health probe interval to a lower value

Answer

Move the backend VMs into an availability set

Answer

Enable session persistence (source IP affinity) on the load balancing rule