Dell EMC VxBlock™ and Vblock® Systems 720 and 740 Software and Firmware Upgrade Guide This document describes how to upgrade a VxBlock System 740, Vblock System 740, orVblock System 720 from one RCM release to another within the same RCM train, such as release 6.5.1 to 6.5.2. See the RCM Portal on the Dell EMC Technical Resource Center for supported RCM releases for the platforms. The audience for this document includes sales engineers, field consultants, advanced services specialists, and customers who need to upgrade a VxBlock System 740, Vblock System 740, or Vblock System 720. See the following table for information about other upgrade instructions: To upgrade this product See this document VMware vSphere 6.0 to 6.5 Dell EMC Upgrade Guide from VMware vSphere 6.0 to VMware vSphere 6.5 VMware vSphere 5.5 to 6.5 Dell EMC Converged Systems Upgrade Guide from VMware vSphere 5.5 to VMware vSphere 6.5 VMware vSphere 5.5 to 6.0 Dell EMC Upgrade Guide from VMware vSphere 5.5 to VMware vSphere 6.0 Cisco DCNM Dell EMC Converged Systems Upgrade Guide from Cisco DCNM 7.2 to Cisco DCNM 10.x Vision™ Intelligent Operations Dell EMC Vision™ Intelligent Operations Upgrade Guide Important: Starting with VMware vSphere 6.5, Cisco Nexus 1000v switch is not supported. Migrate from the Cisco Nexus 1000V switch to the VMware vSphere Virtual Distributed Switch (VDS) before upgrading to VMware vSphere 6.5. Contact Professional Services to migrate from the Cisco Nexus 1000V to the VMware vSphere Distributed Switch. Refer to the Glossary for terms, definitions, and acronyms.