Hi Kuldeep,
It looks like that connectivity issue between central manager ,
Please check below things and you can try few steps for testing,
> Is all required ports are opened between CM and managed collector as per below technote
https://www.ibm.com/support/knowledgecenter/SSMPHH_10.6.0/com.ibm.guardium.doc.install/install/r_planning_ports.html
Central Manager – Managed Devices
TCP 22 – SSH/SCP data transfers, both directions
you can check the open port by below command
support show port open
> You can un-register and register managed unit again and check the status of issue again .
Thank you
Sachin Shende
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Sachin Shende
Security Consultant
IBM
+91-9561-650-383
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