Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application Jun 2026

$port = 443 $connections = netstat -ano | select-string ":$port " if ($connections) ForEach-Object $line = $_ -split '\s+' $pid = $line[-1] $process = Get-Process -Id $pid -ErrorAction SilentlyContinue Write-Host " PID: $pid -> $($process.ProcessName) - $($process.Path)"

Re-run the network check command: netstat -ano | findstr :443 . Ensure that either Veeam's process PID is now occupying it, or that it is clear. Open the .

If VMware management tools are installed directly on the same underlying OS. $port = 443 $connections = netstat -ano |

Starting with version 13, Veeam hardcodes TCP port 443 for its mandatory and Identity Service. If another local program or service is listening on port 443, the Veeam installation will block your upgrade, or the primary Veeam services will fail to bind and refuse to start. Why Veeam Demands Port 443

Proceed through the wizard until you reach the step. If VMware management tools are installed directly on

Veeam Backup & Replication uses port 443 for several purposes, including:

Never install Veeam Backup & Replication on a machine running IIS, Active Directory, or vCenter. Keep the backup server dedicated. Why Veeam Demands Port 443 Proceed through the

Run netstat before installing Veeam to ensure ports 443, 6160, 9392, and 11560 are completely free.

"The port 443 required for Veeam Backup & Replication is occupied by another application."

Before resolving the issue, it is helpful to identify which application is currently holding the port. Common applications that bind to Port 443 on Windows Server include:

If Veeam is already installed and an update or a new software installation broke the configuration, you can modify the registry.