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How to avoid upgrading unwanted technical usages

Hello,

Current system is EHP3 stack 4. Now plan to upgrade to EHP5 stack 6.

However, selective installation was not done during the EHP3 upgrade, so there are several unwanted/not needed technical usages (IS-CWM, IS-H, IS-M, IS-OIL, EA-DFPS) -these are not applicable to our business. More so, none of the business function was activated at all - they were just included so they are there when the business decide to use them.

In in MOPZ, I cannot 'deselect' them.I think this will add to modification adjustment work, maybe increase in upgrade downtime?

Are my concerns significant? If yes, is there a way of 'excluding' them in the upgrade and what is the risk/issue I may encounter?

Thanks,

Terry

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  • Best Answer
    Posted on Dec 09, 2011 at 09:38 AM

    Hi,

    You should not upgrade Technical usages that you are not using in your system. As it will take a lot of time to upgrade all technical usages. Also, you cannot activate more than one industry solution in one system. So, even if you upgrade it, you would not be able to activate more than one industry solution.

    While you downloading these patches through MOPZ then during phase Select Stack dependent files, you can de-select technical usages that you don't want to upgrade. Also, make sure that you have defined correct usage type in SMSY in the system definition.

    Thanks

    Sunny

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  • Posted on Dec 09, 2011 at 12:47 PM

    Dear Terry,

    Kindly note that a "mixture" of different EHP levels on one system is not supported by SAP, see following SAP note

    #1139602 - Several enhancement package releases on one system

    Also note if you need to install EHP4 or EHP5 for ERP this will automatically install the corresponding enhancement packages 1

    respective 2 for netweaver 7.0 (701 / 702).

    Regards,

    Abhishek

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