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While upgrading MII system from 12.2 to 15.0, what all steps need to be taken from MII point of view? Kindly help me to understand the scenario and issues that usually occur after MII upgrade.

MII system is upgrading from 12.2 to 15.0, for which as an MII consultant I need to understand the basic steps that we follow while upgrading MII.

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3 Answers

  • Apr 04, 2016 at 10:13 AM

    Hi Radhika,

    I assume as an MII consultant, you would be having some basis consultants to support you with installations. So i would not comment on that as it is pretty much detailed in the release notes and system requisites.

    About your developments, you may want to consider following points:

    1. Connections to all the target systems or drivers for the same are compatible with new system. Mostly this would the case, but just to check any abnormality. Anyhow, you would have to complete installation before you can test it.

    2. All the configurations can be exported using migration tool or you can manually export and import configurations as well.

    3. As you are currently working on MII 12.2, I can assume you are not making use of UI5 libraries, if you do, then please note there are couple of changes in UI5 Libraries as well, mostly around JSON handling(However, 12.2 does not support JSON so not a point to worry).

    4. There are couple of changes in JQuery/Ajax it seems, you no more need to wrap parameters in encodeURIComponent() to send reserve or special characters. So if you are handling such cases for ajax calls, you will have to remove handlers.

    5. Any out of the box implementations/Custom action blocks if developed, you will have to redevelop the same and re-build it to make it work on 15.x system.

    6. As it's 12.2 i assume you are still working a lot with Applets, would like to suggest to move on to UI5 based developments as applets would keep on bothering your clients for correct JRE versions as all.

    Hope this helps. Do let me know if you have any further queries.

    Thanks and Regards,


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    • Hi Radhika,

      This sounds new to me as well. Still as MII plays as platform independent, just check if your drivers are compatible with new landscape.

      Also, if your composite applications have any functionality incorporated that isn't supported by windows.

      Another point of consideration should be dynamic styling and theming of application, that may behave differently from UNIX to Win.

      Workbench and configuration components should behave same way.

      Best Regards,


  • Apr 04, 2016 at 08:59 PM

    I am locking the thread. Radhika, please search for the information you require to do an MII upgrade. If you run into a specific issue or you find the Installation/Upgrade guides and sap notes lacking please feel free to bring up your specific issues in this forum.

    Christian (Moderator)

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    Former Member
    Apr 04, 2016 at 05:26 AM

    Please find the below points.

    1. Upgrade NW to NW 7.31
    2. Upgrade MII from 12.2 to 15.0 using SUM tool or any deployment tools
    3. Export and import projects, configurations etc
    4. Deploy relevent UI5 library



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