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

To check and remove this listener:

Running VMware management tools on the same machine as your Veeam server often causes this loop. VMware uses port 443 for its web web server sharing and management APIs.

Required Port 443 for Veeam Backup & Replication is Occupied by Another Application

Port 443 is a critical requirement for Veeam Backup & Replication. Veeam uses this port for secure communication, web services, and cloud integrations. When another application occupies port 443, Veeam installations or services will fail. To check and remove this listener: Running VMware

Older versions of these communication tools default to using ports 80 and 443 as incoming connection fallbacks.

: Powering the Veeam self-service portals and API integrations.

"Come on," he hissed.

Launch your backup console or web interface to confirm successful connectivity.

Change the specified port from to a different available port (e.g., 444).

To avoid port conflicts in production environments, implement these infrastructure habits: Veeam uses this port for secure communication, web

If a local web server does not explicitly need to run secure traffic on the Veeam host, disable it: Open ( services.msc ). Scroll down to World Wide Web Publishing Service .

Resolving "Required port 443 for Veeam Backup & Replication is occupied by another application" Quick Answer