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

These limitations have been a significant source of frustration in the community. It is strongly recommended to if you fall into any of these categories.

Then, find the process:

Use the command netsh http show servicestate to see which registered endpoints are active. 3. Can You Change the Port in Veeam?

If the required port 443 for Veeam Backup & Replication is occupied by another application, it can prevent Veeam Backup & Replication from functioning properly. This can lead to: These limitations have been a significant source of

Veeam Backup & Replication uses port 443 for several vital operations:

Once Veeam is installed and its services are running, you can decide if you want to restart the other application on a different port. Summary Checklist Run netstat -ano to find the PID. Identify the app in Task Manager. Reconfigure or disable the competing service. Restart Veeam services (via services.msc ).

Task C — Inspect Windows Certificate Store and private key permissions (10 points) This can lead to: Veeam Backup & Replication

: Regularly review your server for software that binds to ports. You may find old, unmaintained services or applications that you can remove or re-configure. Uninstall any RMM tools or remote access services that are no longer in use, as these can also cause conflicts.

Locate port 443 and look at the column to see the executable name. ⚠️ Common Culprits Occupying Port 443

What did the netstat command reveal was using port 443? You may find old

After stopping/removing the conflict, run:

While you can technically change the ports Veeam uses, for many of its core components (like the Veeam Backup & Replication console and the REST API).

Locate the line displaying LISTENING . The number at the far right of that row is the .

Sort by the column and find the number you identified in the previous step. This will tell you exactly which .exe is hogging the port. 2. Common Culprits and How to Move Them