When creating an Agent Group in Topology, the user may see this error
Error: cvc-enumeration-valid: string values 'db' is not a valid enumeration value for type element in type of element agentgrp.
The Agent type for the Group is selected as Database using Desktop Client 12.2. The connected DE server is likely 12.1 or below.
Release : 12.1 or below
Component : CA WORKLOAD AUTOMATION DE (DSERIES)
The Database Agent Group is only available in DE server 12.2 or above. The Desktop Client R12.2 can connect to older DE releases and may show Database as agent types. The agent group will not created on the DE server as it does not have the feature.