Unable to edit preconfigured Alarm Definition

Products

• VMware vCenter Server
• VMware vCenter Server 7.0
• VMware vCenter Server 8.0

Issue/Introduction

• Followed the Create or Edit Alarms document and tried to edit a preconfigured alarm.
  
  
• EDIT button is grayed out and only ENABLE/DISABLE is allowed.

Cause

Preconfigured alarms are defined on vCenter Server.
Editing the alarm on the child inventory object (Datastore in this case) is not allowed.

Resolution

Select vCenter Server on the inventory tree and go to Configure > Alarm Definitions.