Getting ORA-56928: upgrade window does not exist trying to clear DST_UPGRADE_STATE
I'm trying to upgrade a 12.1 database to 12.2 on Windows 2012 server using DBUA. The Prerequisite check is returning this error: There must not be any Daylight Savings Time (DAT) update operation pending in the database before starting the upgrade process. I tried troubleshooting the error according to Note 1509653.1. It seems there were some orphan import jobs that caused the error. I cleaned up the orphan datapump jobs and associated tables. But the DST_UPGRADE_STATE shows DATAPUMP(2) SELECT PROPERTY_NAME, SUBSTR(property_value, 1, 30) value FROM DATABASE_PROPERTIES WHERE PROPERTY_NAME LIKE 'DST_%' ORDER BY PROPERTY_NAME; Returns: DST_PRIMARY_TT_VERSION 18 DST_SECONDARY_TT_VERSION 14 DST_UPGRADE_STATE DATAPUMP(2) When I try to execute following, as directed in How to fix ORA-30403 Daylight Saving Time (DST) upgrade in progress (