ALTER USER SYS Command Hangs or Takes Long Time to Complete (Doc ID 2259178.1)

Last updated on APRIL 26, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

"alter user sys identified by *****" hangs or takes more than 12 mins to complete.

While creating a Clone Database using DBCA, DBCA hangs for long time. This is because of following command to reset the password for SYS and SYSTEM
"alter user sys account unlock identified by ****"
"alter user system account unlock identified by ****"
These statement takes very long time to complete.

Cause

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