After installing the Cumulative Fix 3 (CF3) for CA Service Desk Manager (SDM) the mdbadmin account gets locked in Oracle.
This may affect also users who use MS SQL Server.
This is a known defect:
USRD 3634 - WIN-ESEVENTS.LOG ERROR WHEN SA PASSWORD CHANGE
Important: although the defect title mentions "SA PASSWORD CHANGE", it applies to Oracle users as well.
The problem may occur during the installation or right after running pdm_configure, specially if the DBMS option to "lock password after 3 attempts" is set.
In order to resolve the problem:
Additional information for the same concern can be found here: