: Internal services within an organization might be misconfigured to use port 443, causing unexpected conflicts with Veeam Backup Replication.
Resolving Port 443 Conflicts in Veeam Backup & Replication v13 : Internal services within an organization might be
When installing or upgrading Veeam Backup & Replication (VBR), particularly with newer versions like V13, you may encounter the critical error: This can be frustrating, especially if you're not
Applications running locally—such as VMware vCenter components, internal monitoring agents, or remote management software—often bind to 443. How to Identify the Conflicting Application How to Fix: Required Port 443 for Veeam
When you try to configure Veeam Backup replication, you may encounter an error message indicating that port 443 is already in use by another application. This can be frustrating, especially if you're not aware of what application is using the port.
Because port 443 is currently within Veeam v13 settings, you must reconfigure the conflicting application. Option 1: Reconfigure Hyper-V Replication (If Applicable) If Hyper-V is the culprit, change its replication port: Go to Hyper-V Settings > Replication Configuration .
How to Fix: Required Port 443 for Veeam Backup & Replication is Occupied