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

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.

As changing Veeam's port is not an option in v13, you must address the conflicting application: If is using the port, you can change