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

Launch the Veeam Backup & Replication console or resume the setup wizard to ensure it completes successfully. Best Practices for Veeam Implementations

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Now restart Veeam Backup Service.

: If Internet Information Services (IIS) is installed, it often claims 443 for the "Default Web Site." : Change the site bindings in IIS Manager or stop the service if it is not required. Antivirus/Security Agents

These limitations have been a significant source of frustration in the community. It is strongly recommended to if you fall into any of these categories. Launch the Veeam Backup & Replication console or

If you are still encountering issues after trying these steps, consult the Veeam community forums or open a support ticket with Veeam directly. With the right approach and a bit of persistence, you will have Veeam Backup & Replication running smoothly on port 443 in no time.

If installed on the same machine, VMware management services will contest this port. If you share with third parties, their policies apply

: If the VBR server is also a Hyper-V Replica server, Hyper-V likely owns port 443. : Change the Hyper-V Replication port (e.g., to 444) in Hyper-V Settings Replication Configuration . You must also update this on each replica VM. IIS / Web Servers