What are probes that must be deployed after UMP 8.4 installation .?
If this is in regards to the update to SP2 as mentioned in your other thread it is detailed here:
Install CA UIM 8.4 Service Pack 2 (SP2) - CA Unified Infrastructure Management - 8.4 - CA Technologies Documentation
If it is in regards to monitoring probes I'm not aware of any that must be updated. In general it is recommended to update the monitoring probes as the updates are available.
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