FATAL error: cybermation.iainstaller.library.CybFatalException FatalInstallException Registry Key

Products

• CA Workload Automation AE - System Agent (AutoSys)
• Workload Automation Agent

Issue/Introduction

Attempts to reinstall the agent failed with error in agent install log;

Summary
-------

Installation: Unsuccessful.

17 Successes
0 Warnings
0 NonFatalErrors
1 FatalErrors

Custom Action:            cybermation.iainstaller.library.CybFatalException
                          Status: FATAL ERROR
                          Additional Notes: FATAL ERROR -     class cybermation.iainstaller.library.CybFatalException FatalInstallException: Registry Key 'SOFTWARE\ComputerAssociates\Unicenter AutoSys JM\11.3_base\Agent\WA_AGENT' already exists. Please choose another Agent Name.

====================STDERR ENTRIES==================

Execute Custom Code
    class cybermation.iainstaller.library.CybFatalException FatalInstallException Registry Key 'SOFTWARE\ComputerAssociates\Unicenter AutoSys JM\11.3_base\Agent\WA_AGENT' already exists. Please choose another Agent Name.
8. final log file name=C:\Program Files\CA\WA Agent\WA_Agent_12.0.00.00_Install_01_25_2022_08_31_33.log
====================STDOUT ENTRIES==================

Warning: Agent Install Directory (C:\Program Files\CA\WA Agent) specified is ignored
Warning: Agent will be installed in  'C:\Program Files\CA\WorkloadAutomationAE\SystemAgent\WA_AGENT'

Environment

Release : 12.x

Component : Workload Automation System Agent

Cause

The registry key was left behind after uninstall.

[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ComputerAssociates]

Resolution

Delete Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ComputerAssociates

CRITICAL PREREQUISITES:

1. Consult with a Windows Administrator.
2. PERFORM A SYSTEM BACKUP OR REGISTRY BACKUP before proceeding. Incorrect registry modifications can lead to system instability.

Method A: Using Registry Editor (regedit)

1. Open regedit.exe.
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ComputerAssociates.
3. Right-click the ComputerAssociates key and select Delete. Confirm the deletion.

Method B: Using PowerShell (as Administrator)

1. Verify Key Existence (Optional but Recommended):
   powershell Get-Item HKLM:\SOFTWARE\WOW6432Node\ComputerAssociates
2. Execute Deletion:
   powershell Remove-Item -Path HKLM:\SOFTWARE\WOW6432Node\ComputerAssociates -Force -Verbose
   (The -Verbose flag provides feedback on the deletion.)