Link [upd] — Required Port 443 For Veeam Backup Replication Is Occupied By Another Application
When another service grabs this port first, Veeam cannot bind its services, leading to failed installations or "Service Unreachable" errors. Step 1: Identify the "Occupying" Application
The screen flickered and returned a list. He ignored the established connections from the web servers; he was looking for the state LISTENING . There it was. When another service grabs this port first, Veeam
Open services.msc and look for:
"Come on," he hissed.
Sometimes the installer thinks port 443 is occupied due to a stale socket or Windows HTTP API reservation. Check with: Veeam cannot bind its services