Required Port 443 For Veeam Backup Replication Is Occupied By Another Application Link !!hot!! -

Run the following command to list all active TCP connections and their corresponding Process IDs (PIDs): netstat -ano | findstr :443 Identify the at the far right of the output line.

By following these steps and considerations, you should be able to resolve the issue of port 443 being occupied by another application when trying to use it for Veeam Backup replication.

A: Only when communicating with a Veeam Backup & Replication server. The agent itself does not listen on 443. Run the following command to list all active

Major Issues After Upgrading to Veeam V13: Port 443 Conflict

tasklist | findstr <PID>

Need further assistance? Visit the official Veeam R&D Forums or open a support case with Veeam Customer Support. Include the output of veeamportssniffer.exe (available in the Veeam ISO tools folder) for rapid troubleshooting.

Run the following command to find the application associated with that PID: The agent itself does not listen on 443

If adjusting Enterprise Manager, open the .

After closing the conflicting software, verify that port 443 is completely open before starting your backup jobs. Re-run the netstat command to ensure no output returns: netstat -ano | findstr :443 Use code with caution. Open services.msc and restart the core Veeam services: Veeam Broker Service Include the output of veeamportssniffer

: In v13.0.1.180 and newer, port 443 is mandatory for the Web Service. Currently, there is no supported method to change this port within Veeam or bypass the installer's compatibility check.

Web servers or Microsoft-related services like SQL Reporting Services often bind to this port. Other Web Servers: