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  1. #1
    Join Date
    Mar 2013

    Unanswered: DB2 Multiple Version issues

    We are currently running three versions of DB2 (7.1, 9.1, 10.1). For a time we will need to have applications coexist on workstations that access all three versions. The applications that access the two older versions of DB2 are written in VisualAge and VB 6 and access DB2 via ODBC and the 7.1 Runtime Client. The new applications we are developing to access DB2 10.1 are being written in Visual Studio. We’ve installed both the DB2 7.1 Runtime Client and the DB2 10.1 Runtime Client on a workstation. It appears that installing the 10.1 client breaks connectivity to 7.1 and 9.1 via the 7.1 Client. It also appears that just having the 10.1 client installed will not allow us to connect to 7.1 and 9.1. So we are in a bit of a conundrum. Any help and/or suggestions would be greatly appreciated.

  2. #2
    Join Date
    May 2003
    If you are talking about windows install (Client or Server) older versions of DB2 do not allow multiple versions to exist on the same Windows machine. Definitely not allowed with V7, but not sure about V9.1. No problem if all versions are 9.7 or above.
    M. A. Feldman
    IBM Certified DBA on DB2 for Linux, UNIX, and Windows
    IBM Certified DBA on DB2 for z/OS and OS/390

  3. #3
    Join Date
    Jul 2011
    version 9.1 onwards Coexistence of multiple DB2 versions and fix packs supported.
    DB2 Database for Linux, UNIX, and Windows
    So as you were already running v7 and version 9 so I dont think there would be any problem when you want v 10.1.
    Please check installation process, may be you have used any unappropriate option.

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