3638492 - Application server fails to start due to sql error 10 authentication failure after changing password of HANA account

• SAP application server running on Windows server fails to start after changing the password for HANA accounts(including the account used by ABAP AS to connect to HANA).
• The following error message "SQLERRTEXT: authentication failed" is observed in the dev_w traces.
  • C  *** ERROR => Connect to database failed, rc=1, rcSQL=10
     [dbhdbsql.cpp 647]
    C  SQLCODE    : 10
    C  SQLERRTEXT : authentication failed
    B  ***LOG BY2=> sql error 10     performing CON [dbsh         1289]
    B  ***LOG BY0=> authentication failed [dbsh         1289]
    B  ***LOG BY2=> sql error 10     performing CON [dblink       689]
    B  ***LOG BY0=> authentication failed [dblink       689]
    M  
    M Wed Jul 23 17:25:33:121 2025
    M  ***LOG R19=> ThDbConnect, db_connect ( DB-Connect 000256) [thDatabase.c 88]
    M  in_ThErrHandle: 1
    M  *** ERROR => ThInit: db_connect (step TH_INIT, thRc ERROR-DB-CONNECT_ERROR, action STOP_WP, level 1) [thxxhead.c   2808]
• The password in the secure store key is correct, and this error was not fixed even after deleting the key entry and re-add it to hdbuserstore.
• 'hdbsql -U' and 'R3Trans -d' do not return any errors.
  
  

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SAP HANA 2.0

SQL error 10, rcSQL=10, authentication failed, application server , KBA , HAN-DB-CLI , SAP HANA Clients (JDBC, ODBC) , Problem