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

Once you’ve found the app, you have two choices: stop it or move it. A. VMware Workstation / Server VMware often uses Port 443 for its "Shared VMs" feature.

Changing Veeam’s default ports often leads to a "domino effect" of connectivity issues across your proxies and repositories. 4. Re-running the Veeam Setup If the conflict happened during installation: Stop the conflicting service. Click Retry in the Veeam installer. Once you’ve found the app, you have two

If you’re trying to install or start Veeam Backup & Replication and you’re hit with an error stating that , you’ve run into one of the most common configuration hurdles in the backup world. Changing Veeam’s default ports often leads to a

Before you can fix the problem, you need to find the "squatter." Since Port 443 is the standard port for secure web traffic, the most common culprits are , Apache , Skype , or VMware Workstation . The Quick Fix via Command Prompt: Open Command Prompt as an Administrator . Run the following command: netstat -ano | findstr :443 Click Retry in the Veeam installer

Veeam uses Port 443 (HTTPS) for various critical tasks, including communication with the backup server, cloud gateways, and managing VMware vSphere environments. When another service grabs this port first, Veeam can’t bind to it, bringing your backup infrastructure to a halt. Here is how to identify the culprit and fix the conflict. 1. Identify Which Application is Using Port 443