This chapter explains how to upgrade VMware Telco Cloud Service Assurance and Domain Manager. What to read next Prerequisites for Upgrading VMware Telco Cloud Service AssurancePerform the following action before you upgrade VMware Telco Cloud Service Assurance. Upgrade VMware Telco Cloud Service Assurance on VMware Tanzu Kubernetes GridUsing the steps listed in this section, upgrade VMware Telco Cloud Service Assurance from version 2.1 to 2.2. Upgrade VMware Telco Cloud Service Assurance on AzureUsing the steps listed in this section, upgrade VMware Telco Cloud Service Assurance from version 2.1 to 2.2. Upgrade VMware Telco Cloud Service Assurance on AWSUsing the steps listed in this section, upgrade VMware Telco Cloud Service Assurance from version 2.1 to 2.2. 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 2.1 to 2.2. Post VMware Telco Cloud Service Assurance Upgrade Upgrade Domain ManagerThis topic describes how to perform an upgrade installation for the Domain Managers.