AutoSys: The specified instance is already defined

Products

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

Issue/Introduction

In a multi-instance environment, after removing the previous release of Client installation,

when running the setup to reinstall the new release of the Client, it fails with error:

The specified instance is already defined in the CA Workload Automation AE configuration.

Specify another instance. 

Environment

Release : 11.3.6

Component : CA Workload Automation AE (AutoSys)

Resolution

The encountered problem was related to the instance file remaining under /etc folder.

# cd /etc

# ls auto*

auto.PRD  < =====

auto.profile

After removing the auto.$AUTOSERV file under /etc directory, installation completed successfully.