• Environment is a HYPERV instance of SBS2008.
• No remote access is possible through normal windows tools
• Hyperv connection can see windows message but cannot interact with environment
•  

The Acronis Scheduler process stops the server from rebooting with a message indicating that the OS is aawaiting processes to finish. To have the restart continue it is needed to kill the schedul2.exe process remotely.

"taskkill /s SERVERNAME /IM schedul2.exe" will kill the process and allow the server to restart.