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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Kernel version and App...
Microsoft Dynamics AX (Archived)

Kernel version and Application version mismatch

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Posted on by Akshay Pujari 220

Hello,

I have install AX 2012 R3 CU10 using slipstream KB3102920 on test server. But something went wrong and Kernel Version get update with 6.3.3000.111 and Application Version 6.3.164.0. so how to resolve this? and developer made some customizations and reports on it in USR layer. so what problems will occurs while restoring this DB on another CU10 server?.and how I can resolve that.

Thanks in Advance.

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  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 236,570 Most Valuable Professional on at
    RE: Kernel version and Application version mismatch

    6.3.164.0 is R3 without any hotfix at all, therefore your application hasn't been upgraded yet. Changes in USR layer will be handled during the code upgrade phase (developers will have to resolve conflicts, if any).

  • Akshay Pujari Profile Picture
    Akshay Pujari 220 on at
    RE: Kernel version and Application version mismatch

    Hi Martin,

    thanks for reply, I know application version is RTM, but can I export all customization(AOT) using a project from this and import into another CU10 server? what challenges will be there.

  • Suggested answer
    Martin Dráb Profile Picture
    Martin Dráb 236,570 Most Valuable Professional on at
    RE: Kernel version and Application version mismatch

    If you take customizations written for one version put them into another version without upgrade, anything can happen. Maybe it won't compile at all. Maybe it will compile, but your customizations will overlayer a part of a critical modification from Microsoft and will cause disastrous and unpredictable behavior. Who knows? Who wants to take the risk? And you will get from this risky operation?

    It doesn't sound like a good plan...

  • Martin Dráb Profile Picture
    Martin Dráb 236,570 Most Valuable Professional on at
    RE: Kernel version and Application version mismatch

    I assume that your other server has CU10, which isn't the case of your current application.

  • Akshay Pujari Profile Picture
    Akshay Pujari 220 on at
    RE: Kernel version and Application version mismatch

    hi Martin,

    so you are suggesting to upgrade current application or database.? and how I can upgrade it? I want to load it all on newly created CU10 server which is kernel and application version is CU10.

  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 236,570 Most Valuable Professional on at
    RE: Kernel version and Application version mismatch

    Of course, if you want CU10 application, you'll have to upgrade your RTM application to CU10.

    High-level steps are explained in Cumulative Update 10 Installation Guide, page 12. You can find more information in Apply updates and hotfixes on Technet.

    You're now saying that your application is CU10, but you said before that it's 6.3.164.0. Nevertheless even if you've already installed standard CU10 layers, you need to upgrade your customizations in USR layer.

    If you moved your changes by .xpo's, you would have to upgrade them in target environment without automatic conflict detection and merging. Doing code upgrade properly is a much efficient way.

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