During a system upgrade or support package stack implementation via SUM, you're prompted for manual actions after the upgrade on the local host, related to the dialog instances linked to the Primary Application Server (PAS, formerly know as the Central Instance).
"Your system does not support replication!
The tool will shut down all dialog instances where possible but you will have to upgrade them manually"
Then the SUM tool lists the instances of your system with the allowed actions, similar to the following:
- SAP NetWeaver Release Independent
CI SHDUNINST_DB_REV DB AP PAS central primary instance dialog application server diaglo update other SAPup ehpi SAINT system landscape project go-live date tool install reinstall remove automatic delete update kernel sapcpe replication copy sapinst swpm logistics software guide section 6.17 additional INSTANCELIST_INFO SCANDIR_SHOW hang halt enhancement package the tool shut down possible upgrade manually instance List configuration preprocessing prepare uptime , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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