Another Application Link __exclusive__ — Required Port 443 For Veeam Backup Replication Is Occupied By

TCP 0.0.0.0:443 0.0.0.0:0 LISTENING 1234

VMware vCenter Server uses port 443 for its web interface. When both Veeam and vCenter run on the same server (though this isn't recommended), conflicts arise.

Once you know what process is holding the port, use one of the following methods to resolve it. Method A: Stop and Disable IIS

Here is how to identify the conflicting software and free up Port 443 for Veeam. 1. Confirm the Port Conflict