A DB2 zOS connection fails with:
SYS-E-HTTPFAIL, Cannot connect to DB2 zOS Server.
SYS,GENERAL_EXCEPTION,Cannot connect to DB2 zOS Server,RetCode: SQL_ERROR SqlState: 08001 NativeError: -99999 Message: [IBM][CLI Driver] CLI0199E Invalid connection string attribute. SQLSTATE=08001
Resolution:
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Update db2dsdriver.cfg is located in the <DB2 installation directory>/cfg directory
Update the database connection correctly and save them.
odbcinst.ini is located in the /etc directory on Linux or the %SystemRoot%\system32 directory on Windows.
Locate the corresponding DB2 ODBC driver and validate the driver's library path.
Note: When opening the files to make changes, make sure you have opened them with administrative privileges.
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Restart the Qlik Replicate services
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You can reach out to your system administrator to change the SECPORT which is located in the configuration files in the mainframe environment. Please update the correct SECPORT.