Is Occupied By Another Application: Required Port 443 For Veeam Backup & Replication

As John was trying to troubleshoot the issue, his phone started ringing. The company's CEO was on the line, asking about a critical server that was supposed to be backed up the previous night. John explained the situation, and the CEO stressed the importance of getting the backups up and running as soon as possible.

Update the Replica settings for each individual VM to match this new port to avoid re-replication. Adjust Third-Party Applications As John was trying to troubleshoot the issue,

Open IIS Manager, select the site, click Bindings in the right pane, edit the HTTPS binding, and change port 443 to an unused port (e.g., 8443). Update the Replica settings for each individual VM

Before killing or uninstalling anything, ask: Can the other application be reconfigured to use a different port? . Unlike previous versions

. Unlike previous versions, there is currently no supported way to change this port within the Veeam configuration once the conflict is detected. Veeam Community Resource Hub