3401429 - Could not reach any host of site '1' to send request

When checking the status of the secondary side from the primary, column SECONDARY_ACTIVE_STATUS showing Connection timeout:


But secondary side is running:



 "Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental." 

Indexserver traces:
[16105]{-1}[-1/-1] 2023-03-02 08:15:41.926313 i Savepoint        SavepointImpl.cpp(03108) : Snapshot current savepoint version: 530349, restart redo log position: 0x44083360e, next savepoint version: 530350, last snapshot SP version: 530349, kind: Replication, redoLogSPVersion: 530923, vid=1
[16105]{-1}[-1/-1] 2023-03-02 08:15:41.927901 i sr_dataaccess    PersistenceManagerSPI.cpp(01022) : Drop and create snapshots for secondary: purpose=4, dropped snapshots=[530348], new snapshot=530349, vid=1, priHnd=0, writeAsNormalSnapshot=0
[24532]{-1}[-1/-1] 2023-03-02 08:15:42.137835 i Logger        LoggerImpl.cpp(03041) : primaryBackupFinished(0x440833780)
[21168]{-1}[-1/-1] 2023-03-02 08:16:00.643764 e sr_nameserver    DRClient.cpp(00955) : Could not reach any host of site '1' to send request 'dr_hasfailoverrunning'. Hosts: (abcdprdhana:40002) Errors:
nameserver communication timeout;timeout occurred(5521)

SAP HANA Database 2.0

KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem