The value of the object tmnxDhcpsFoMaxClientLeadTime specifies
the maximum client lead time (MCLT).
The MCLT is the maximum amount of time that one server can extend a
lease for a client's binding beyond the time known by the partner
server.
The value of this object can only be set while the value of the object
tmnxDhcpsFoAdminState is equal to 'outOfService'.