Web servers installed by third-party management tools often run silently in the background.
Often installed alongside third-party monitoring, ups management, or print tracking tools.
Veeam Backup & Replication (VBR) v13 is now a mandatory, hardcoded requirement for the Veeam Web Service and API Gateway. If this port is occupied by another application, the VeeamBackupRESTSvc Web servers installed by third-party management tools often
Still, if necessary:
Major Issues After Upgrading to Veeam V13: Port 443 Conflict If this port is occupied by another application,
Because many web servers and third-party applications also use this port, conflicts are common. This comprehensive guide will help you identify the conflicting application, free up the port, or reconfigure Veeam to use an alternative port. Why Veeam Requires Port 443
Before you can resolve the conflict, you must find which service is currently using port 443. Command Line : Open Command Prompt as Administrator and run: netstat -ano | findstr :443 Identify the Process : Note the (Process ID) in the far-right column. Cross-Reference in Task Manager Task Manager (Ctrl+Shift+Esc). Find the application matching your PID. PowerShell Alternative Get-NetTCPConnection Command Line : Open Command Prompt as Administrator
Common culprits include , IIS (Internet Information Services) , Windows Remote Management (WinRM) , or third-party monitoring tools. Phase 2: Resolve the Conflict
Get-NetTCPConnection -LocalPort 443 | Select-Object LocalPort, OwningProcess, State 2. Resolve Common Conflicts There is currently no supported method