You are upgrading your heterogeneous SAP system.
The SUM is running on the primary application server which is Linux.
The ASCS instance is running on HPUX server.
During phase PREP_CONFIGURATION/INSTANCELIST_INFO the SUM identifies the OS type of ASCS as Linux.
SAP ABAP Systems with heterogeneous OS environment
HPUX Linux OS Type PREP_CONFIGURATION/INSTANCELIST_INFO , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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