Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application Fixed 🆕 🆕

The offender. On Windows Server, the default IIS installation automatically creates a "Default Web Site" bound to all unassigned IP addresses on port 80 (HTTP) and, critically, port 443 (HTTPS) . Even if you don't run a public website, this default binding claims port 443.

Run the following network statistics command to filter for port 443: netstat -ano | findstr :443 Use code with caution.

What did the netstat command reveal was using port 443? The offender

John breathed a sigh of relief, happy that he had resolved the issue before it caused any major problems. He made a mental note to double-check the configuration of new applications before they were deployed, to avoid similar conflicts in the future.

Allows remote Veeam Backup & Replication consoles to authenticate and manage the server. Run the following network statistics command to filter

Look for lines showing LISTENING in the State column. The number at the very end of that line is the . Note this number down. Method B: Using PowerShell

Because there is or bypass the installer's prerequisite check, you must clear port 443 on the local host to complete your setup. 4 Common Culprits Occupying Port 443 He made a mental note to double-check the

World Wide Web Publishing Service hosting default HTTPS websites.