The frequency in minutes that the NTP client service will synchronize the local clock with the NTP server. The value range is 1 to 44640 minutes. Note: certain IOM implementations may have their NTP client configured to always perform time synchronization at a specific frequency AND does not support the ability to change this frequency from any external user interface. - If this is true, then a get of this object will always return the frequency rounded to a 1 minute interval. If a set is issued for this object then IOM will return a gen_error. - If this is true, then a get of this object will always return the frequency rounded to a 1 minute interval. If a set is issued for this object then IOM will return a gen_error. If this is not true then a get and set must return no_error