Required Port 443 For Veeam Backup Replication Is Occupied By Another Application Link New!

Facilitates secure API calls to public cloud providers. Step 1: Identify the Conflicting Application

Map an unconventional external public port (e.g., https://company.com ) and create a that translates incoming traffic down to the server's local IP address on port 443. Strategy 3: Workload Isolation

If the Windows Server hosting Veeam also runs IIS, the Default Web Site often binds to port 443.

tasklist /svc /fi "PID eq 4988"

He clicked the "Details" link, his eyes scanning the error log until they locked onto the fatal sentence:

The screen flickered and returned a list. He ignored the established connections from the web servers; he was looking for the state LISTENING . There it was.

Starting with newer architectures, Veeam heavily integrates its unified management console, REST API gateway, and Identity Service via standard HTTPS. The new setup connects natively over port 443 to handle identity verification and web certificates [1.18]. Facilitates secure API calls to public cloud providers

Run the following command to find the Process ID (PID) using Port 443: powershell netstat -ano | findstr :443 Use code with caution.

If you want to keep it closer to your original structure:

What or shared hypervisor host is VBR running on? tasklist /svc /fi "PID eq 4988" He clicked

Ensure that any new ports you have assigned (like 4443 or 8443) are properly opened in the Windows Firewall or your external hardware firewalls to allow uninterrupted replication traffic. If you'd like, let me know: Is your Veeam server also acting as a Hyper-V host ?

If changing the other applications isn't an option, you can adjust Veeam's configurations or modify its specific port requirements through the Veeam console. You may need to manually configure alternative endpoints or alter network settings in the Veeam Service Provider Console (VSPC) IIS settings to bypass the port 443 hardcoded binding. Verifying and Troubleshooting After Changes

He rushed back to his desk in the other room, the wheels of his chair squeaking loudly. He pulled up the Veeam console. The job was set to "Idle". He right-clicked the failed job. Starting with newer architectures