Database Gateway for DRDA (DG4DRDA) Fails With Error: Specified security mechanism, (Unknown), is not supported by server HY000,NativeErr = 8339 Whn DB2 Database Uses Encrypted Authentication

(Doc ID 1335320.1)

Last updated on OCTOBER 15, 2013

Applies to:

Oracle Database Gateway for DRDA - Version 11.2.0.1 to 11.2.0.2 [Release 11.2]
Information in this document applies to any platform.
***Checked for relevance on 15-Oct-2013***

Symptoms

When a DB2 database uses SERVER_ENCRYPT authentication mechanism the DRDA gateway connection fails with error:

select user from dual@zku118_EMGTW_1122_DB
*
ERROR at line 1:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
[Oracle][ODBC DB2 Wire Protocol driver]Specified security mechanism, (Unknown),
is not supported by server. {HY000,NativeErr = 8339}

ORA-02063: preceding 2 lines from ZKU118_EMGTW_1122_DB

even after specifying the gateway parameter HS_FDS_AUTHENTICATE_USER=ENCRYPT

Changes

DB2 database is using an authentication mechanism different from SERVER

Cause

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