Veeam – Task failed Error: No connection could be made because the target machine actively refused it.

Last week I rebooted one of the management servers I use, everything looked fine, but the Veeam backup didn’t run that evening.

Veeam reported the following error:

“Task failed Error: No connection could be made because the traget actively refused it. ipaddress:443″

Veeam - Task failed error - no connection could be made because the target machine actively refused it

The issue in my case was that a recently installed application decided to use port 443 without asking, and started be fore VMware VirtualCenter server had a chance to start.

The solution was to stop the app, start VirtualCenter, then restart the application and configure it not to use port 443!

vmware Virtualcenter service




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