How to update the SAP kernel

1. create a folder to store the kernel SAR file

2. copy the SAR file to the new folder

3. run sapcar -xvfSAPEXEDB* (database dependent)

4. run sapcar -xvf SAPEXE_* (database independent)

Step 3 and 4 are to extract the kernel

5. stop SAP console

6. stop SAP service

7. stop SAPoscol service

8. remove the SAPEXEDB___.SAR and SAPEXE__.SAR from the new kernel folder

9. copy everything from the new kernel folder to E:usrsapDVEBMGS00exe

10. copy everything from the new kernel folder to E:usrsapE05SYSexeucIA64

11. start SAPOSCOL and SAP SERvice

12. start SAP console

Note, Don't forget the backup before upgrade.