NEC Express5800 Series User Manual page 71

Screen Display Appearing when Standby/Hibernation Lock Prevents
System from Entering into Standby or Hibernation State
Installing Standby/Hibernation Lock in a system disables the system to be entered into the
standby or hibernation state. For example, if you select the hibernation state from the shutdown
menu, the popup appears to stop the system entering into the hibernation state.
The popup does not mean the occurrence of an error in Standby/Hibernation Lock.
Instead it indicates that Standby/Hibernation Lock normally prevents the system from entering
into the standby or hibernation state. The popup cannot be suppressed because it is displayed by
the operating system.
Click [OK] to terminate the popup.
If it is determined that the system is prevented from entering into the standby or hibernation
state, the following log is stored in the event log:
The log is stored by the operating system in the event log. The message "The system sleep
operation failed" appears in the Description field in spite of whether an attempt is made to enter
the system into the standby or hibernation state.
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