This message is displayed on start-up of the console when a SBCore service (sbscrexe) of pre PP1 media is detected. This service will wake up Windows Home Server every 30 minutes and prevents proper operation of LightsOut. 

Use Remote Desktop to connect to your server. 

Then go to Control Panel -> Administrative tools -> Computer Management 

Expand Services and Applications -> Services. Search SBCore Service. 

Double click SBCore and select tab Log On 

Select Profile 1 and click on Disable, then reboot your server! 

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