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

While the installer is rigid, some community experts suggest that you can attempt to change the port after the installation is successful. For other Veeam components like the , ports can sometimes be modified via IIS Manager under Site Bindings .

To avoid running into these issues in the future, follow these industry best practices:

Once port 443 is free, restart Veeam so it can claim the port. Open ( services.msc ). Scroll down to the Veeam services. Right-click Veeam Backup Service and click Restart . While the installer is rigid, some community experts

Older versions occasionally bound to ports 80 and 443 for incoming connections. Step 2: Resolve the Port Conflict

Locate the field for or HTTPS Port (defaulted to 443). Open ( services

Open an elevated Command Prompt or PowerShell and run:

Is Veeam installed on a or shared with other roles (like vCenter or IIS)? Older versions occasionally bound to ports 80 and

: Web servers running on the same box.

I'll cite the Veeam Community post for the hardcoded port information, the port usage documentation, and the netstat commands. Now I'll write the article. you see the error that , it's a clear sign that your Veeam server can't start a critical service, often the web UI or API gateway. This is a common hurdle, especially during a new installation or an upgrade to a newer version, because port 443 is the default for secure web traffic.

Is Veeam , or are you doing a fresh install?