3499334 - Unable to register secondary site due to an error "Trying old-style port"

• Trying to register a secondary site, but failed with the following error.
  ================================
  adding site ...
  nameserver myhanahost:30001 not responding.
  collecting information ...
  unable to contact primary site host 10.xx.xx.xx (myhanahost):40002. internal error,location=10.xx.xx.xx:40002. Trying old-style port (port offset +100)...10.xx.xx.xx (myhanahost):40002
  unable to contact primary site; to 10.xx.xx.xx (myhanahost):30102; original error: internal error,location=10.xx.xx.xx:30102;
  failed. trace file nameserver_myhanahost.00000.000.trc may contain more error details.
  ================================
  
  
• You have already set the network related OS kernel parameters as per Note 2382421 - Optimizing the Network Configuration on HANA- and OS-Level, and referred to the following KBAs.
  • 2712064 - SAP HANA System Replication Error port 4#### already in use
    3439776 - error "unable to contact primary site host Trying old-style port" when trying to re-register a secondary that was working before being unregistered

SAP HANA, platform edition 2.0

Replication, sr_register, register, secondary, Trying old-style, port, port offset , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem