Hi,
You may use the hidden command "show security policies information" to get the policy utilization counters like number of current policies and Maximum limit etc...
root@srx> show security policies information
Policy utilization counters:
Number of policies : 0 / 80000
Number of global policies : 0
Number of policies with scheduler : 0
Number of policies with statistics enabled : 0 / 1024
Number of policy contexts : 0 / 8192
Number of Policies per context : 0 / 80000
Number of Source addresses per policy : 0 / 4096
Number of Destination addresses per policy : 0 / 4096
Number of Applications per policy : 0 / 3072
Number of Source identities per policy : 0 / 128
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