KERNEL UPGRADE STEP BY STEP :-
Check the existing kernel level by
logging into SAP level
SM51 ->Release notes
OR
Go to command level and execute
disp+work (Login as <SID>ADM to perform this task)
Check the Kernel levels available in
SAP service market place
Downloads-Download -> Support
package and patches -> Entry by Application Group ->Additional components
-> SAP Kernel-> SAP Kernel 64 bit->SAP Kernel 7.00 64 bit-SAPKERNEL 64
bit->Windows server on X64 bit->Database Independent
Select SAPEXE_ (latest patch number) _*.SAR and click on add to download basket from the bottom.
Repeat above step to down load
Database Dependent kernel by selecting the database you have/want.
Select
SAPEXEDB_<latest_patch_number>_*.SAR and click on Add to download basket.
Now launch download manager from your system and down load the SAPEXE* and
SAPEXEDB* to your local drive. (e.g.
G:\Kernelupgrade)
Now extract the .SAR files from command prompt
cd G:\kernelupgrades
G:\Kernel upgrade>sapcar -xvf
SAPEXE_1773-10001664.SAR
G:\kernelupgrades\>sapcar -xvf
SAPEXEDB_1773-10001667.SAR
Now check the number of files in G:\kernelupgrade (e.g. 115 files)
Go to C:\usr\sap\S11\SYS\exe\run
Check the number of files (e.g. 124
files)
Stopsap on target system
login as <SID>adm
#stopsap (UNIX)
In Windows/NT: go to desktop >
double click on SAP Management Console
Select the server
Click on stop
Wait for SAP to be stopped
Stop all sap service and database service from
Windows/NT:
Programs->Administrative Tools ->services->
Stop TNSlistner server for oracle
stop oracleserviceS11 for oracle
stop SAPS11_00 for SAP
stop SAPOSCOL for SAP
stop if any other oracle service is
running.
Select the service ->right click –Stop
Now take backup of your old kernel
directory (use OS level copy command)
Copy run folder to G:\kernelbackup
Go to Kernel-upgrade folder
Copy all the contents from this folder
and paste it into c:\usr\sap\<SID>\SYS\exe\run
Check the kernel patch by typing
disp+work at command level
Start all sap and database services
from Programs->Administrative Tools->services->
Start TNSlistner server for oracle
Start oracleserviceS11 for oracle
Start SAPS11_00 for SAP
Start SAPOSCOL for SAP
Select the service ->right click
-Start
Start sap on Server now
Windows/NT: SAP Management Console
(MMC) ->select Server->click on start button from top menu. Check for
green light on servers
UNIX: startsap
Now login to sap from saplogon menu
and see you are able to login successfully.
Double check the kernel patch level by executing SM51 -> Release Notes
Kernel upgrade is completed.
