3305320 - Unable to activate the replication between Primary and Secondary DBs

Unable to activate the replication between both primary & secondary DB's.

Similar error is reported under nameserver.trc file -

[10182]{-1}[-1/-1] 2023-02-19 00:24:41.860071 i TrexNet          BufferedIO.cpp(02655) : active channel (since 1270mues) 1 from 41070 to 127.0.0.1:30001: got EOF with ITLS data
[10182]{-1}[-1/-1] 2023-02-19 00:24:41.860082 i TrexNet          BufferedIO.cpp(02549) : active channel (since 1280mues) 1 from 41070 to 127.0.0.1:30001: got EOF
[10182]{-1}[-1/-1] 2023-02-19 00:24:41.860097 e sr_nameserver    DRClient.cpp(01185) : [-sr_enable] port=30102 host=<host_name>,port=30102
[10182]{-1}[-1/-1] 2023-02-19 00:24:41.860107 e sr_nameserver    TopologyUtil.cpp(00242) : 50103: system replication port could not be opened;port=30102 host=<host_name>,port=30102
[10182]{-1}[-1/-1] 2023-02-19 00:24:41.860118 e sr_nameserver    TopologyUtil.cpp(00188) : system replication port could not be opened;port=30102 host=<host_name>,port=30102; 
[10182]{-1}[-1/-1] 2023-02-19 00:24:41.860139 i Basis            TopologyUtil.cpp(01236) : failed. 

• SAP HANA Platform All Revisions
• System Replication

system replication, hostname configuration, system_replication_hostname_resolution, port, interface, mappings , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem