4.7.2 Notes about downgrading

Note the following when downgrading an HADB client:

• Do not change the OS user during the process of downgrading the HADB client. If you change the OS user, the downgrade process might not work correctly.

• Do not change the value specified for the ADBCLTLANG environment variable when downgrading the HADB client. If you change the value, the downgrade process might not work correctly.

• Make sure that the versions of the HADB client and ODBC driver match. If the versions do not match, an error occurs before the HADB client connects to the HADB server.

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