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

Veeam Backup & Replication (VBR) v13 is now a mandatory, hardcoded requirement for the Veeam Web Service and API Gateway. If this port is occupied by another application, the VeeamBackupRESTSvc

No errors. No port conflicts. Throughput: 1.2 GB/s. Veeam Backup & Replication (VBR) v13 is now

: Check if the management port can be reconfigured in the vendor's settings. Veeam B&R 13 Change Web Service Port 443 Open regedit

Step 3: Verify the Port is Free

• Open regedit.
• Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Veeam\Veeam Backup and Replication\
• Look for a key named BackupServerPort. If it does not exist, create a new DWORD (32-bit) Value.
• Set the value to your desired port (Decimal format), e.g., 9443.

Task B — Check HTTP.sys and SSL bindings (10 points) Task B — Check HTTP

Veeam Backup Enterprise Manager

Port 443 is the standard TCP port used for HTTPS (secure web traffic). Veeam requires this port for various components—most notably the and the Veeam Backup Service on the backup repository—to enable secure communication between the console, the server, and managed agents.

Preventing the Error in Future Deployments

1. Open Reporting Services Configuration Manager.
2. Connect to the report server instance.
3. Click Web Service URL.
4. Change the TCP Port for SSL from 443 to another value (e.g., 1443).
5. Apply and restart SSRS.
6. If Veeam installed SSRS for its own reporting (unlikely but possible), consider removing SSRS if not used.