Enterprise Manager

Transfer Tasks failing with ORA-28040 after Upgrading AWR Warehouse to 12cR2

Checking the AWR warehouse health after we upgraded the repository database from 12cR1 to 12cR2 I noticed that for some source databases the transfer task had been failing. Performing “Upload Snapshots Now” I was also able to reproduce the problem and identify the error message “ORA-28040: No matching authentication protocol”. This was initially puzzling as …

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