Required Port 443 For Veeam Backup Replication Is Occupied By Another Application Link ((full)) -

Update the replication settings for each individual VM on the host to match the new port. Option 2: Temporary Service Suspension If the conflicting application is only needed occasionally:

Run the following command to list all active TCP connections and their corresponding Process IDs (PIDs): netstat -ano | findstr :443 Identify the at the far right of the output line.

Run the following command to find the name of the application associated with that PID: tasklist | findstr [PID] Update the replication settings for each individual VM

Any tool with a web interface.

Alternatively, you can find the exact application name directly via PowerShell: powershell Alternatively, you can find the exact application name

Several applications frequently clash with Veeam over port 443. Here is how to resolve the most common conflicts. 1. Internet Information Services (IIS)

Any web-enabled application. 3. How to Identify the Occupying Application Update the replication settings for each individual VM

If you have a converged environment where your Veeam server is also a Hyper-V replica server, you will need to change the replication port. Open the on your host. Right-click the Hyper-V host and select Hyper-V Settings . Go to the Replication Configuration tab.