Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application High Quality Direct
Change the from 443 to a different port (e.g., 444).
If you run into any road blocks, let me know the occupying port 443 or your current Veeam version so I can provide customized commands. AI responses may include mistakes. Learn more
If you must run IIS on the same server as Veeam, change the IIS HTTPS port: Open the . Change the from 443 to a different port (e
: If your backup server also acts as a Hyper-V replica host, it likely uses 443 for replication traffic.
If you cannot alter the conflicting application, you can instruct Veeam to use an alternative port during or after installation. During a Fresh Installation: Learn more If you must run IIS on
In , port 443 is a hardcoded requirement for the REST API/Web UI service and cannot be changed through any supported method. If this port is occupied, the VBR services will fail to bind, and your installation or upgrade will be blocked.
She could try to force AcmeCorp to listen on a different IP address (127.0.0.2 vs 0.0.0.0). She navigated to HKLM\SYSTEM\CurrentControlSet\Services\AcmeCorp\Parameters . There it was: ListenAddress = 0.0.0.0 . She changed it to 10.24.112.45 —the server’s secondary admin IP. A restart of the service later, netstat showed the agent now bound only to the secondary IP. Port 443 on the primary IP was free. During a Fresh Installation: In , port 443
If your Veeam Backup server doubles as a Hyper-V host, the native Hyper-V Replication engine might be configured to use HTTPS traffic over port 443. Open the Hyper-V Manager . Click Hyper-V Settings > Replication Configuration .
Before stopping services, you must identify what is using port 443. The most common culprits are IIS (Internet Information Services), VMware vCenter components, or another web server (Apache/Nginx). Using Command Prompt (netstat) Open Command Prompt as . Run the following command: netstat -ano | findstr :443 Use code with caution.
Did the netstat command reveal is using the port?