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Thread: Uninstall ESU

  1. #1
    New Member
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    Uninstall ESU

    I am trying to uninstall an ESU from our prod pathcode and cannot find any documentation on it. The ESU has been applied and deployed to prod. I was curious if anyone knew of an uninstall method like this or knew of a way to apply a previous full package (that does not contain this ESU) to an application server. Thanks in advance...


  2. #2
    Member samuel's Avatar
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    Re: Uninstall ESU

    Hi ARucker,

    Have you applied the ESU to all pathcodes? If not, you can advance the objects from a pathcode which have not been applied with the particular ESU. If yes, you can still advance from Pristine Environment.

    This will overwrite the objects with the old specs. For new objects created by the ESU, you can move them to another project first and delete them later on.

    You can then proceed to perform ESU Cleanup and ESU Uninstall from the ESU application from Planner Environment.

    Thanks

    Rgds,
    Samuel Liew
    Thanks

    Samuel Liew

  3. #3
    Senior Member
    Join Date
    Nov 2000
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    125

    Re: Uninstall ESU

    Hi there.

    Two things you can try:

    1) If the ESU was applied with the "Backup" option checked off then you
    should be able to back it out from System Installation Tools - Software
    Updates. A word of caution... if the ESU contained a lot of objects then
    the backup may not have been complete. It used to be that in earlier
    releases of OneWorld (Xe in particular) that if there were too many objects
    in the ESU, the backup would only proceed so far and then just stop and
    continue applying the ESU. You wouldn't be told that it stopped and that
    the backup was incomplete... it would just happen quietly and the backup
    would be useless. So this method may not be reliable depending on which
    ESU you are removing. If you can do it then remove the ESU and
    build/deploy the objects again with the old code.

    or

    2) Like you mentioned... just deploy the last full package and subsequent
    updates that you DO want to the server. Don't forget to synchronize the
    fat clients and Web servers. If you are taking it out, you should remove
    it from everywhere. This will remove it from production machines but you
    will STILL have the code specs in the Central Objects and Deployment Server
    pathcode. Subsequent builds of those objects would still be the ESU
    version. You would have to promote unaffected code from another
    environment as Samuel had suggested or restore from backup. Can you get
    this code from a machine that has NOT had the ESU applied to it?

    Regards,
    Gerald.






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    I am trying to uninstall an ESU from our prod pathcode and cannot find any
    documentation on it. The ESU has been applied and deployed to prod. I was
    curious if anyone knew of an uninstall method like this or knew of a way to
    apply a previous full package (that does not contain this ESU) to an
    application server. Thanks in advance...




  4. #4
    Member wkaauamo's Avatar
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    Re: Uninstall ESU

    Don't forget that ESUs also make DD, UDC and menu changes, table conversions, etc. So, once the specs are restored, you should visit those other areas in case they were also updated by the ESU. They will need to be "cleaned up" as part of your over-all ESU recovery.
    Wayne Kaauamo, Texas, USA
    CNC/Network Analyst/SysAdmin
    E1 8.11 SP1 - TR 8.94.2.4
    Enterprise i5Power6 V5R4 w/CO
    JAS Win2003 R2 SP1, WAS 6.1.0.33
    Deploy Win2003 R2 SP1

  5. #5
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    Hi Everyone,

    If we uninstall an ESU and restore it from backup, Will the backups restore the custom codes changes to an object (if it was done) or it will revert back to any latest code changes applied previous but not custom.
    Regards,
    Gopal

  6. #6
    It depends how you apply ESU. if you do Project promote then you already know about what wkaauamo said and there is some fact below when you do project promote and you can rollback changes accordingly.


    1. If you are using separate copy of Data dictionary tables for DV and PY and ESU has new DD item introduced in it , those changes will not be applied.

    2. If there are records introduced for control Tables such as Menu/UDCs , those will not be updated.

    3. One Major Drawback, the esu grid will not show PY or PD against esu, which is misguiding. So ,it will be an overhead to maintain documentation that the esu was promoted and not applied.


    Thanks
    Ad

    E9.1.2
    T9.1.2.3

  7. #7
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    Thanks Adeel. Points noted. We might go for a roll back. So these points should be taken care.
    Regards,
    Gopal

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