UIMVM device model is automatically and unexpectedly taken out of maintenance mode.

Document ID : KB000104065
Last Modified Date : 03/07/2018
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Issue:
A UIMVM device that has been placed in maintenance mode with a scheduled calendar window  time, is automatically and unexpectedly taken out of maintenance by the System account, before the end of maintenance schedule time.
Eg. a device in maint mode in the time range 10:00 AM to 2:00 PM, at 2 PM it should be taken out of maintenance, but it occurred that the device was taken out of maintenance at 11:20 AM  
Environment:
SPECTRUM, Release: Spectrum 10.2.3, Operating System: Red Hat 7.4 with UIM integration
Resolution:
The following work-around seems to fix the issue:
SetMaintenanceModeToChildren Attribute value "No" (By default the SetMaintenanceModeToChildren Attribute value "Yes" ) on OneClick -> UIMManger -> Attributes