EPM Automate 26.06 Security error
In Oracle EPM Automate version 26.05, when using EPM_SID = %RANDOM%, a unique .prefs<random_number> file is generated for each session, and no key file is created.
However, in version 26.06, a key file named .pref.key is generated for all jobs. Since this key file has a common name across sessions, it gets overwritten during parallel executions, leading to conflicts.
Additionally, all .prefs and .pref.key files are now stored in a centralized directory:
ProgramData\EPMAutomate\EPMWINDOWSVM_opc, which further contributes to session overlap issues.
Besides, Oracle docs don’t explicitly describe .pref.key, based on documented behavior of .prefs and session handling.
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