Required Port 443 For Veeam Backup Replication Is Occupied By | Another Application Link
In Veeam Backup & Replication (VBR) v13, Port 443 is a hardcoded requirement for the REST API and Web UI services. If this port is occupied by another application during installation or upgrade, the Veeam services will fail to bind and start. Identifying the Conflicting Application
Step 5 — Firewall and network checks
- Ensure Windows Firewall or network firewalls allow the chosen port (443 or alternate) for required directions and hosts.
- If using an alternate port, update firewall rules, load balancers, or DNS entries as needed.
Firewall Considerations After Port Change
If you change Veeam’s port from 443 to something else, remember to update all involved firewalls: In Veeam Backup & Replication (VBR) v13, Port
Veeam Backup & Replication is a comprehensive data protection solution designed to ensure business continuity by providing backup, replication, and restore capabilities for virtual, physical, and cloud-based environments. For its operations, especially in environments where SSL/TLS encryption is required, Veeam Backup & Replication relies on specific network ports. Port 443, the standard port for HTTPS, is one such critical port. Ensure Windows Firewall or network firewalls allow the
