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

For deeper connectivity troubleshooting, you can refer to the Veeam Ports Finder Tool to map out all required communications.

Are you currently trying to or is an existing backup failing ?

Once the port is free, restart your Veeam services via services.msc or restart the Veeam installation wizard. Best Practices for Veeam Deployments

| Problem | Quick Fix | | :--- | :--- | | PID 4 (System) / HTTP.SYS reservation | netsh http delete urlacl url=https://+:443/ | | IIS running | Change Default Web Site’s HTTPS binding to 8443 | | SQL SSRS | Change Reporting Services port to 4443 | | RD Gateway | Change SSL port in RD Gateway Manager | | Docker / Containers | Stop docker or com.docker.service | | Antivirus web filter | Disable SSL intercept for the Veeam server IP | | No other option | Change Veeam’s own HttpPort registry key to 8443 | For deeper connectivity troubleshooting, you can refer to

I can provide the exact step-by-step configuration commands for your environment. Share public link

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After making changes, confirm that Veeam successfully claims the port or that the conflict is cleared. Restart the Veeam Backup Service via services.msc . Run the netstat command again: netstat -ano | findstr :443 Use code with caution. Best Practices for Veeam Deployments | Problem |

He navigated to the VMware Workstation installation directory. He needed to edit the config.ini file located in the application data folder, or better yet, change the service configuration via the GUI if he could load it. He tried to open the VMware console, but it was sluggish.

Step 1: Hyper-V Setting -> Replication Configuration -> Change Specify the Port from 443 to something else. re-replicate the VM. R&D Forums Veeam B&R 13 Change Web Service Port 443

: Use Get-NetTCPConnection -LocalPort 443 to directly see the OwningProcess . Common Conflicting Services If you share with third parties, their policies apply

If the culprit is RRAS (), you can disable it via the Server Manager.

When another software occupies port 443, your backup jobs will fail. You will likely see connection timeout errors or explicit warnings stating that the transport service cannot bind to the port.

SSRS is a notorious port 443 hog. Even if you stop the service, the URL reservation persists.

Run the following command to look for active connections on port 443: netstat -ano | findstr :443 Use code with caution.