To access a DB2 Universal Database Version 7 server on a Linux, UNIX, or Windows(R) operating system from a version 8 client, you must have version 7 FixPak 8 or later installed on your server and have run the db2updv7 command. For instructions on installing the version 7 FixPaks, refer to the version 7 FixPak Readme and Release Notes.
You cannot access a DB2 Connect Version 7 server from a DB2 Universal Database Version 8 client.