By Another Application Link ((exclusive)) — Required Port 443 For Veeam Backup Replication Is Occupied
He looked for the httpPort key. There it was, staring back at him: 443 .
: VBR v13 introduces a mandatory web interface and API gateway that listens specifically on port 443 Licensing & Updates
may suggest stopping it just for the installation, the VBR console may still fail to work later if the conflict returns Important Compatibility Notes Port is Hardcoded : In version 13.0.1.180 and newer, there is no supported method to change this port for the internal Veeam Web service Database Compatibility : Ensure your SQL database is at least SQL Server 2016
The service started cleanly. No errors. No conflicts. He looked for the httpPort key
TCP 0.0.0.0:443:0 LISTENING 4988
Which specific (e.g., VMware vSphere backup, replication, Cloud Connect) is throwing the error? Share public link
If your VBR server doubles as a Hyper-V host with replica settings enabled, Hyper-V defaults to port 443 for HTTPS traffic. No errors
Veeam Backup & Replication is designed to work best on port 443. Changing Veeam’s port can cause issues with Cloud Connect providers, Veeam Agent management, and WAN Accelerators. It is best practice to move the conflicting application to another port.
Once you have the PID, open , go to the Details tab, and find the PID to see the process name.
A: Move Veeam to a dedicated physical or virtual machine. Do not co-host with other web-based enterprise applications. Share public link If your VBR server doubles
service to allow the Veeam console to load or complete its upgrade General Web Services
If you have already identified the process using the port, tell me its name or ID, and I can give you the exact commands to stop it. Alternatively, I can help you verify if this is a V13 upgrade issue.
When another service grabs this port first, Veeam cannot bind its services, leading to failed installations or "Service Unreachable" errors. Step 1: Identify the "Occupying" Application
If the conflicting software cannot be moved or disabled, you can configure Veeam components to use an alternative port. Adjusting Enterprise Manager Port Configurations