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

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

When installing, updating, or configuring Veeam Backup & Replication, you may encounter a critical error stating that . Port 443 is the global standard for secure HTTPS traffic, and Veeam relies heavily on it for secure infrastructure communications, REST API access, and cloud plugin integrations.

Before you can fix the issue, you must find out exactly which process is currently listening on port 443. Using Command Prompt (Netstat) : Check if the management port can be

After applying one of the strategies above, verify that port 443 is now accessible to Veeam:

Secure API calls to public cloud platforms. Before you can fix the issue, you must

: Bring the secondary application's services back online. Method 2: Reconfiguring Hyper-V Replication Ports

Look for a DWORD value named RestApiPort or ServicePort (refer to specific Veeam version documentation for your exact architecture). Method 2: Reconfiguring Hyper-V Replication Ports Look for

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One of the most common installation and runtime errors encountered with Veeam Backup & Replication is the notification: