Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application 'link' -

Dealing with Port 443 Conflicts in Veeam Backup & Replication

Are you seeing this error during a or did it suddenly appear on an existing server ? Dealing with Port 443 Conflicts in Veeam Backup

If your Veeam server is also acting as a web server, IIS likely has a "Default Web Site" bound to 443. Dealing with Port 443 Conflicts in Veeam Backup

Look for the line that says LISTENING . The number at the far right is the . The Visual Way (Task Manager): Open Task Manager and go to the Details tab. Dealing with Port 443 Conflicts in Veeam Backup

Go to Edit > Preferences > Shared VMs . Click Change Settings , then either disable sharing or change the port to something else (like 4443). B. IIS (Internet Information Services)