The target machine is offline (turned off)
Pros and cons of both methods
You will need Acronis Bootable Media with the Acronis Snap Deploy 4 Master Image Creator component
This is a known issue
Clean up Acronis Storage Node logs to solve the issue
List of known issues and basic instructions on how to troubleshoot issues with Wake-on-LAN and Acronis Backup & Recovery 10
Synchronization runs every 30 minutes, this is why the "Power state" status may show non-actual information about a virtual machine being online or offline
If you add a machine with Acronis Agent by its IP Address, then Acronis Management Console will not be able to connect to it after the Acronis Agent's IP changes
After rebooting the machine with Acronis Group Server the networked computers with Acronis True Image Agents are automatically polled as offline, even though they are supposed to have the status "Ready"