Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application Jun 2026

You can stop the "Default Web Site" in IIS Manager or change its HTTPS binding to a different port.

"The required port 443 is already occupied by another application." You can stop the "Default Web Site" in

First, a quick reminder. Veeam Backup & Replication uses port 443 for: go to the Details tab

Open , go to the Details tab, and find the PID you noted to identify the specific application. Using Resource Monitor Search for and open Resource Monitor from the Start menu. Navigate to the Network tab. you can simply change its bindings:

If the application is , you can simply change its bindings: