SAP R/3 How to perform Kernel Upgrade

Matrix

BI	Software	Version	Patch	CRM	EP
BI3.1	4.7EE	620	674	CRM 4.0
BI3.5	ECC 5.0	640		CRM 5.0	EP 5, EP6
BI 7.0	ECC 6.0	700		CRM2007	EP 7.0

To know the current version run c:\> disp+work.exe

Or run TCODE SM51 and look for the release notes.

Goto System/Status
 
 

Hardware	32bit or 64bit
OS	Windows 2003, Linux, Solaris AIX 5.3 AIX6.1 OS390 AIX400
Database	Oracle 8, Oracle 9i, Oracle 10G, DB2 8x, 9x, DB4 8x,9x, DB6, SQL Server 2000,2005,2008 Max Db 9.0X, 8.0X
Unicode/Non Unicode	4.7 is Non Unicode, ECC6 SR3 is Unicode, All other versions (ECC 5.0 etc) are available in Unicode and non Unicode versions

Goto service.sap.com/PAM to see the product availability matrix. It will tell you what needs to be applied to go from one version to another. Also download the kernel upgrade dump (3 files). SAPEXE.SAR SAPEXEDB.SAR DBATOOLS.SAR SAPCAR.EXE First two files are needed to patch the kernel. All three are needed to upgrade the kernel.
Procedure

1. Shutdown SAP Server, stop all SAP and Oracle services
2. Copy D:\usr\sap\DEV\SYS\exe\run to D:\usr\sap\DEV\SYS\exe\run_old
3. Create D:\usr\sap\DEV\SYS\exe\run_new directory and copy all the above files into the run_new directory 4.Rename SAPCAR.EXE in run_new to OLDSAPCAR.EXE
4. Change to run_new directory and Run d:> OLDSAPCAR.EXE –xvf SARFile one file at a time. Need to execute this command three times, one for each SAR file.
5. Copy/Overwrite all files except the above 4 files from run_new to run directory
6. Restart the services a.TnsListner b.Oracle<SID> c.SAP<SID>_IN#> Central Instance d.SAPOSCOL e.SAP<SID>_<IN#> Dialog Instances
7. Start SAP CI, DIs 9.If any problems arise check the instance profiles 10.Verify the installation using TCODE SICK

 
n the below screen you will see the SAP System Kernel information.
In this screen you will see

1. Kernel information
2. Database information
3. System information.

SAP Release Information from Server. In this screen
SAP Release Information
SAP R/3 kernel information
SAP R/3 Kernel
Database Client Library