RU installation getting - creation of mdbadmin user failed

Products

• CA Service Desk Manager

Issue/Introduction

when installed RU, got error can't create mdbadmin

found in install log

2021/11/20 10.45.03.731 DEBUG [DeployThread: Configuring CA Service Management common tables] [InstallCDB] Unable to find script to set up user
2021/11/20 10.45.03.731 DEBUG [DeployThread: Configuring CA Service Management common tables] [InstallCDB] Failed to create mdbadmin user (mdbadmin) for Database Name (mdb) in (db-name) Database.
2021/11/20 10.45.03.731 ERROR [DeployThread: Configuring CA Service Management common tables] [InstallCDB] Creation of mdbadmin user failed.
java.lang.Exception: Creating mdbadmin user failed.
 at com.ca.smsi.installui.tasks.InstallCDB.createUser(InstallCDB.java:330) ~[smsi.jar:17.3.0-SNAPSHOT-243.243]

Environment

Release : 17.3

Component : Service Desk Management

Resolution

Most likely the installation media is corrupt--please download the installation media and install again.