Symptom
12.1 to 12.2 Upgrade Failed With Ora-600 [kcm_scn_headroom_warn_2] even when sap_scnhealthcheck.sql reports "SCN Headroom is good"
Also see in the logs ALTER DATABASE OPEN MIGRATE
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Environment
Oracle RDBMS 12x
Keywords
dbua, scn, healthcheck, sap_scnhealthcheck.sql,sap_scnhealthcheck_verbose.sql , KBA , BC-DB-ORA , Oracle , Problem
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