What’s New in Nutanix AOS 7.3 – Updates in Mobility and Resiliency, Networking and Security plus enhancements in Management and Scale
With the release of Nutanix AOS 7.3, your enterprise infrastructure just got smarter, more resilient, and easier to manage. This update delivers powerful enhancements across multicluster operations, networking and security, and disaster recovery, offering IT teams greater flexibility and efficiency. Dive into streamlined management, improved workload mobility, and advanced protection capabilities that make Nutanix AOS 7.3 an essential upgrade for modern hybrid and private cloud environments
Disaster Recovery & Data Protection
- Replication Capacity Boost: AOS 7.3 now supports up to 185 TB in All-Flash nodes for 0 RPO (Sync) up to 6h (Async) Replication
- Encryption at Recovery Site: Maintain data-at-rest encryption through entity-based storage policies
- No More DR Firewall Hassles: Eliminates the need to open firewall ports for synchronous replication setup and Cross Cluster Live Migration
Operational & Infrastructure Upgrades
- Node-Level Password Management: Use Prism Central 7.3 to centralize password Management for AHV Accounts (in addition to CVM Accounts)
- NVMeoF/TCP Access: Volume groups can now be accessed using NVMe over Fabrics (TCP protocol)
- Terminal Multiplexer (tmux): SSH sessions now use
tmuxby default for persistent remote terminal management
Accessibility & Integration
- Nutanix Product Accessibility (a11y) Program: Prism Central now supports keyboard navigation, screen readers, and semantic HTML structure
- SSO-Based vCenter Registration: Clusters can be registered with vCenter using secure SSO authentication
Networking & Platform Support
- iSER Support: iSCSI extensions for RDMA support for Mellanox CX7 200G NICs on NX G9 platforms
- Updated Portal Settings: Portal Connection options are now moved to a dedicated section in Prism Element.
Enhanced Security Features
- LUKS-Based Encryption: Configuration data for AOS and AHV is now encrypted at rest using Linux Unified Key Setup (LUKS).
- On-Wire Replication Encryption: All replication traffic is now encrypted by default to protect sensitive data during transfer.
- Controller VM Security: CVM access is restricted to internal system processes to reduce unauthorized access risks.
Developer & API Enhancements
- Improved ECDSA Support: Fixes for custom SSL certificate and authentication issues with ECDSA.
- Robust V3 API Usage: Better stability for V3 APIs, solving various Prism Central service issues.
How to Upgrade to Nutanix AOS 7.3
Use the Life Cycle Manager (LCM) in the Prism web console for a guided, in-place upgrade. Make sure to review:
Ready to Elevate Your Infrastructure?
Explore the full AOS 7.3 Release Notes and check out all the new features in detail.