Screen blanking is not enabled in a multi-monitor setup on Windows 10
Screen blanking is not enabled when NoMachine is connected to a Windows 10 host with two or more monitors. Sometimes this problem occurs also with monitors in 'Clone displays' operating mode.
Note also that in this case logs may grow constantly since the display agent prints repeatedly message:
WARNING! Failed to set blanking.
Summary: Resolved in version 6.10.12 released on 2020-05-12.
SOLVED, Released in version 6.10.12
