There is a program called  "/usr/share/centrifydc/mappers/runmappers" which is often trigger by the command "gpupdate" from Active Directory Domain controller.

The Group Policy update interval does not control by Centrify since we do not have control of the Window Group Policy Object. 

In order to control the Group policy update interval, you will need to use the Window Group policy below to control the update interval since it is governed by Window Computer Configuration Group Policy .

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Computer configuration-> Administrative Template-> System->Group Policy -> Set Group Policy refresh interval for domain Controllers.
Computer configuration-> Administrative Template-> System->Group Policy -> Set Group Policy refresh interval for computers.
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gp.refresh.frequency.machine
gp.refresh.offset.machine
gp.refresh.frequency.user
gp.refresh.offset.user
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