vSAN HCL Database Partnerweb Port Requirements

TL;DR - the vSAN HCL Database update from vCenter requires port 80 outbound to A little while ago, a customer of mine, in a restricted environment, was having issues getting the vSAN HCL Database updated in vCenter. Following didn’t address the issue, but allowed them to update the DB manually. Outbound HTTPS traffic to was whitelisted on the proxy, and 443 allowed on the firewall. Testing DNS and ports using curl showed that everything should be working, but we still couldn’t update the HCL DB.