If you are getting the error like “duplicate type ‘ASCS’ found at instance list” on upgrade phase “HA_SYSTEM_CHK” while EHP8 running on the SAP Business Suite ECC 6.0 system then you can check the below parameter value to eliminate this problem and continue your Upgrade process…

Upgrade process probably canceled with following screen ;

1EETQ399 SYSTEM MANAGER: duplicate type ‘ASCS’ found at instance list.
1EETQ399 Last error code set is:
1EETQ204 Upgrade phase “HA_SYSTEM_CHK” aborted with severe errors (“<time stamp>”)

Detail information of the HA_SYSTEM_CHK.SAV file ;

 SOLUTION ;

Change the parameter “service/protectedwebmethods” value from SDEFAULT to DEFAULT

Repeat the phase