How to Upgrade SAP Kernel

Step by Step Procedure for Kernel Up-gradation:


Basis Administrator shall login to www.service.sap.com with OSS & password and download the latest Kernel files.

Downloads---->SAP Support Packages---->Support packages & Patches-Entry By application group---->SAP application Components---->SAP ERP---->SAP ERP 6.0---->  Entry By Component---->SAP ECC Server----> SAP KERNEL 7.20 EXT 64-BIT UC---->Windows Server on X64 64BIT---->MaxDB “SAPEXEDB_402-20006745.SAR”    (Kernel Part II)

Downloads---->SAP Support Package---->Support packages & Patches-Entry By application group---->SAP application Components---->SAP ERP---->SAP ERP 6.0---->Entry By Component---->SAP ECC Server---->SAP SAP KERNEL 7.20 EXT 64-BIT UC---->Windows Server on X64 64BIT---->#Database  Independent “SAPEXE_402-20006748.SAR” (Kernel Part I).                                                                                                         

   2.     Login to the Server through OS level with SIDadm.

   3.     Make the copies of the existing folders  in the backup folder :- 


Drive:\usr\sap\SID\SYS\exe

   4.     Stop the SAP Instance & Services

SAPSID_00
SAPSID_01
SAPHostControl
SAPHostExec
   5.     Extract the SAR Files  

Go to command prompt
Go to as above path & Extract the files
      c:\sapcar –xvf *.sar
  6.    Copy and paste the uncared files to \usr\sap\SID\SYS\exe\uc\NTAMD64\ .

  7.    Select the option copy and Replace if it prompts pop message as “There is already a file with same name in the location.”

  8.    Start the services and Instances

   9.      Check the updated kernel from Command Prompt  by giving disp+work.