In SUM phase PREP_PRE_CHECK/DBCHK_PRE, there is message as: Your database and your SUM application server instance are running on different hosts. Perform all actions concerning the database on the database host. The screen is as below:
SAP ABAP Systems
Preparation, wrong, DMO, HA, high availability , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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