Upgrade without "Zero downtime upgrade" fails - using another MQSet than the old primary WP

Products

• CA Automic Workload Automation - Automation Engine
• CA Automic One Automation

Issue/Introduction

Error Message :
U00015000 WP 'UC4T#WP001' cannot be primary, because it is using another MQSet than the old primary WP ('2' instead of '1'). Please start a WP with an older version.

Occurs when an upgrade is attempted without "Zero downtime upgrade" and where 'UC_SYSTEM_SETTINGS' parameter ZERO_DOWNTIME_UPGRADE = Y.

 

Environment

Release: 21.0 and earlier

Cause

Cause type:
Configuration
Root Cause: ZERO_DOWNTIME_UPGRADE = Y was set instead of ZERO_DOWNTIME_UPGRADE = N

Resolution

Workaround :
Set the value ZERO_DOWNTIME_UPGRADE = N in the 'UC_SYSTEM_SETTINGS'

Restart upgrade procedure