What typically gets affected by changing a kernel in a production system?An SAP kernel upgrade consists of replacing the SAP executables. I would be covering the following: The very first thing that you have to decide while upgrading the Kernel to 720 is, which 720 Kernel to be used? OK, so first let’s try to figure out what are these two kernels, what are the differences and which one should be used?Kernel 720_REL is the standard SAP Kernel, which is downward compatible with older versions of operating systems and database clients.So here is the basic overview of the system, before i shoot right into going about upgrading SAP Kernel.Before beginning, I would like to break this blog in sections, in and around “Kernel 720” so as to get to know other things as well besides just the technical upgrade..action_button.action_button:active.action_button:hover.action_button:focus,.action_button:hover.action_button:focus .count,.action_button:hover .count.action_button:focus .count:before,.action_button:hover .count:bullet.
Step 11 − Start SAP Applications using this command — startsap r3.
You don’t need to shut down the database for Kernel upgrade but you need to stop the SAP application using this command — stopsap r3.
Step 6 − To perform upgrade, stop the SAP application.
Please note: This blog was updated 15th July 2016 with the current information.
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