Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application [hot]

Right-click the button and select PowerShell (Admin) or Terminal (Admin) . Execute the following command to see the port owner: powershell

: Often found in environments where management tools are co-located.

Various unified communications components reserve port 443 for media and signaling. Right-click the button and select PowerShell (Admin) or

Look for the listening process (state LISTENING ). Note the (Process ID) in the last column.

When upgrading to or performing a fresh installation, you may encounter a critical roadblock blocking your setup: [Error] Required port 443 for Veeam Backup & Replication is occupied by another application . Look for the listening process (state LISTENING )

If no other solution works and the conflicting application is critical and cannot be moved, the most straightforward path is to redeploy Veeam on a dedicated server or a virtual machine. This is considered a for Veeam Backup & Replication and will completely eliminate these types of port conflicts.

This is the most common fix.

Open the IIS Manager, go to Bindings for your sites, and either remove the HTTPS binding or assign it to a different IP address or port. C. Windows Global HTTP Settings

Once you've made your changes, it's essential to verify that port 443 is now listening for Veeam. You can run the netstat -ano | findstr :443 command again. This time, the process listening on port 443 should be a Veeam-related service, such as Veeam.Backup.Svc.exe or Veeam.WebSvc.exe . If no other solution works and the conflicting

Look for a line showing LISTENING with port 0.0.0.0:443 or [::]:443 . The last column is the .