A common indicator of customer health is the customer satisfaction metric. It reflects the level of satisfaction customers have with a product or service, which is a key indicator of their overall health and likelihood to continue using and recommending the solution4.

The sources used to identify customer barriers include consumption data, customer budgeting process, and customer sentiment. These sources provide insights into how customers are using the product or service, their budgetary constraints, and their feelings towards the product or service. This information is critical for identifying any obstacles that might prevent customers from fully utilizing and gaining value from their purchases. By analyzing these aspects, Customer Success Managers can develop strategies to overcome these barriers and ensure customers are achieving their desired outcomes.
References:
*Cisco's official page on Customer Success Manager certification1.
*Cisco Customer Success Manager v2 exam topics, which outline the knowledge and skills tested in the exam2.
*Test Prep Training on 820-605 CSM - Customer Success Manager3.