In MCS not all profiles are being deployed inside one group for groups where the members are more than 800.
The following error may be seen on in the configuration_reader_service:
Sep 19 15:03:21:098 ERROR [attach_socket, com.ca.uim.probe.mcs.readerService.secondary.SecondaryConfigPusherThread] Error in checking probe availability status.null
Sep 19 15:03:21:098 ERROR [attach_socket, com.ca.uim.probe.mcs.readerService.secondary.SecondaryConfigPusherThread] java.lang.NullPointerException
Defect in the probe for groups with 800+ members