In this post, we are going to upgrade our SAP kernel which works on Windows platform.First of all we need to download actual SAP kernel for our SAP system.

Please go to web site ;

http://service.sap.com/swdc

For example we would like to upgrade our SAP systems kernel which is working on 64 bit Unicode system with SAP Kernel version 7.40 , then follow the path ;

Support Packages and Patches

Browse Our Download Catalog

Additional Components –> SAP Kernel –> SAP KERNEL 64-BIT UNICODE –> SAP KERNEL 7.40 64-BIT UNICODE 

Now we should download “Database Independent” and related database version part, for our example we are going to choose “ORACLE”

Select and download Kernel Part 1 level of “Database Independent”

Select and download Kernel Part 2 level of “ORACLE”

You must STOP SAP SYSTEM & SAP SERVICE and SHUTDOWN your DATABASE!!!

Now you have to extract this two SAR file and copy all this files under \USR\SAP\SID\SYS\EXE\UC\NTAMD64

Now you can start your SAP service , Database and SAP Software.