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Update Kernel 711 to 721 EXT

Oct 12, 2017 at 04:02 PM


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Former Member


I applied the Kernel update following the note

Note 1713986 - Installation of kernel 721 (EXT)

the Kernel version on my server is 711 and when I applied the new Kernel 721 Ext. the SAP service was stopped on the services.msc of windows.

when trying to start the services in Services.msc I get the following error:

the service on local computer started and then stopped. some services stop automatically

When you go to the SAP System Console ma appears blank

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Manuel Garcia
Oct 13, 2017 at 02:01 PM

Hi Diego,

A possible cause is not to have installed the current C runtime library as per note 1553465 by executing vcredist_<platform>.msi.

Kernel 7.2X Ext needs Visual Studio 2010

To identify if this is the problem you can consult blog :

You can also check if there is more information about the problem in :

- event viewer aplication or system logs

- In sap work directory . Mainly in sapstartsrv.log , sapstart.log, and stderr* files

Best regards,


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Former Member

Hi Manuel,

thanks for the info.

I have installed the library c runtime and found that inside the folder usr\sap\<>\<>\exe the file librfc32.dll does not exist. by copying this file I could upload the services without problems.

Best regards.