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Updating kernels in SAP production systems

My client wants to change and upgrade the R/3 kernel. They had already upgraded from the 4.5B to the 4.7 kernel, and now want to update that kernel. What typically gets affected by changing a kernel in a production system?

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An SAP kernel upgrade consists of replacing the SAP executables. Normally no business impact is to be expected.

The SAP kernel is shipped in two parts, a database in-dependent and dependent bundle (naming convention SAPEXE_<KERNEL VERSION>_<BUNDLE NUMBER>.SAR and SAPEXEDB_<KERNEL VERSION>_<BUNDLE NUMBER>.SAR)

This was first published in September 2006

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