Ensure Veeam Backup Service and Veeam Web Service are running.
Once you know the process, decide whether to stop it or reconfigure it.
Once Veeam is installed and its services are running, you can decide if you want to restart the other application on a different port. Summary Checklist Run netstat -ano to find the PID. Identify the app in Task Manager. Reconfigure or disable the competing service. Restart Veeam services (via services.msc ).
: Some security software uses 443 for local management consoles.
If this error appears during a fresh installation or upgrade wizard:
One of the most common installation and runtime errors encountered with Veeam Backup & Replication is the notification:
If the Veeam server is intended to be a dedicated backup appliance and IIS or other web services were installed accidentally or are not needed:
Major Issues After Upgrading to Veeam V13: Port 443 Conflict
Required Port 443 For Veeam Backup & Replication Is Occupied By Another Application Online
Ensure Veeam Backup Service and Veeam Web Service are running.
Once you know the process, decide whether to stop it or reconfigure it.
Once Veeam is installed and its services are running, you can decide if you want to restart the other application on a different port. Summary Checklist Run netstat -ano to find the PID. Identify the app in Task Manager. Reconfigure or disable the competing service. Restart Veeam services (via services.msc ). Ensure Veeam Backup Service and Veeam Web Service
: Some security software uses 443 for local management consoles.
If this error appears during a fresh installation or upgrade wizard: Summary Checklist Run netstat -ano to find the PID
One of the most common installation and runtime errors encountered with Veeam Backup & Replication is the notification:
If the Veeam server is intended to be a dedicated backup appliance and IIS or other web services were installed accidentally or are not needed: Restart Veeam services (via services
Major Issues After Upgrading to Veeam V13: Port 443 Conflict