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PI Instance could not start after Kernel upgrade from 7.11 to 7.20

Hello, Experts,

I'm now upgrading SAP kernel from 7.11 to 7.20 with PI.

Referring to SAP Note:1636252

The steps are...

1.Download kernel files SAPEXE_201, SAPEXEDB_201,DBATL720O10

2.Backup old kernel files.

3.Change access permission of old  kernel executables

4.Delete old  kernel executables

5.Extract new kernel files with SAPCAR.


7.Execute sapcpe to copy new kernel files.

8.brconnect -u system/<pw> -f chpass -p <new_password>

After step 8, PI Instance won't come up with error message below.


Starting Startup Agent sapstartsrv

Unknown webmethod: WaitforServiceStarted

Startup of Instance Service failed

See /home/dt0adm/startsap_SCS01.log for details


At first I tried to start PI instance after step7,

PI instance won't come up.

So I checked some note and SCN Discussion.

I concluded this situation will be solved with step 8, But it still won't work.

Does anyone have faced similar situation like us ?

If you have any ideas about this condition?

Please let me know.

Our environement is below.

OS : RedHatEnterpriseLinux 5.8

DB : Oracle11.2.0

Componet: PI7.1Ehp1 SP08

Best Regards,

Former Member
Former Member replied

Dear  M. Dijsselbloem.

Thanks for your advice.

I appriciate your comment very much!

I checked all of procedure I have done.

I found that the Kernel files was for Non-Unicode system!!

I re-down load the Kernel files fo Unicode system.

After all I succeeded the Kernel upgrade.

The only change I have made from the instruction was execute sapcpe not only for DVEBMGS00 but also for SCS01.

Best Regards,

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