Kerberos Authentication in Mac

[babuknb01]

Hello,

System Details.

DBeaver 22.2.x
OS - Mac
Database - RDS Aurora Postgres.

https://aws.plainenglish.io/connecting-to-aurora-rds-postgresql-with-kerberos-authentication-using-dbeaver-d3566155c793

We have managed AD created in AWS and perfectly working fine using krb5.conf, pjdbc.conf in Windows however when we try to replicate same setting in Mac OS. We got below error.

Pls advice what configuration I'm missing?

2022-10-12 14:38:49 UTC:10.19.2.23(50812):[unknown]@[unknown]:[6243]:LOCATION: BackendInitialize, postmaster.c:4979
2022-10-12 14:38:49 UTC:10.19.2.23(50791):Babu@A.NET@er:[5888]:FATAL: 28000: GSSAPI authentication failed for user "Babu@A.NET"
2022-10-12 14:38:49 UTC:10.19.2.23(50791):Babu@A.NET@er:[5888]:DETAIL: Connection matched pg_hba.conf line 13: "host all +rds_ad all gss"
2022-10-12 14:38:49 UTC:10.19.2.23(50791):Babu@A.NET@er:[5888]:LOCATION: auth_failed, auth.c:333
2022-10-12 14:38:53 UTC:10.19.2.23(50832):[unknown]@[unknown]:[6376]:LOG: 00000: connection received: host=10.19.2.23 port=50832
2022-10-12 14:38:53 UTC:10.19.2.23(50832):[unknown]@[u