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

: If your backup server also acts as a Hyper-V replica host, it likely uses 443 for replication traffic.

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 : If your backup server also acts as

After some discussion with the team, they decided to move the Acme Secure Gateway to a different server and change its configuration to use a different port. They also updated the Veeam configuration to use a new port, and everything was back to normal. They also updated the Veeam configuration to use

Port 443 is the standard port for secure web traffic (HTTPS). In a Veeam environment, it is used for several critical functions: Often installed on Windows Servers, hosting default websites

While you can technically change the ports Veeam uses, for many of its core components (like the Veeam Backup & Replication console and the REST API).

Often installed on Windows Servers, hosting default websites on HTTPS.