This chapter explains how to upgrade VMware Telco Cloud Service Assurance and Domain Manager. Upgrade VMware Telco Cloud Service AssuranceUsing the steps listed in this section, upgrade VMware Telco Cloud Service Assurance from version 2.0.1 to 2.1. Upgrade VMware Telco Cloud Service Assurance through VMware Telco Cloud AutomationUsing the steps listed in this section, you can upgrade VMware Telco Cloud Service Assurance using VMware Telco Cloud Automation from 2.0.1 to 2.1. Upgrade Domain ManagerThis topic describes how to perform an upgrade installation for the Domain Managers.