Required Port 443 For Veeam Backup Replication Is Occupied By Another Application Link May 2026

: Open a command prompt as administrator and run netstat -anob | findstr :443 . This will display the Process ID (PID) and the name of the executable using the port.

Currently, there is within the Veeam installer to change the port for the REST API Gateway. You must free up the port on the host server: Stop or Reconfigure the Conflicting Service : : Open a command prompt as administrator and

If is using the port, you can change its binding via the IIS Manager (InetMgr.exe) by selecting "Edit Bindings" for the website and changing 443 to a different port. : Open a command prompt as administrator and