AOS 7.3.0.1 is here — a refinement release that polishes your experience with improved stability, sharper compatibility, and critical bug fixes. It’s everything you love about AOS, made even smoother.

What’s New

• One Small Fix. One Giant Leap for Stability.

  • Resolved a rare but critical issue that caused Stargate and Curator services to fail on deduplication-enabled clusters after upgrading to AOS 7.3. 

Bundled Software

• AOS 7.3.0.1 ships with:

  • NCC 5.2.0

  • NGT 4.3

  • Foundation 5.9

  • LCM 3.2

  • Flow Network Security 4.2.1

️ Resolved Issues — Fast. Reliable. Resilient.

• Stargate stability restored. Previously, enabling deduplication could crash key services — now resolved.

Known Issues — Heads-Up So You’re a Step Ahead

AHV Management

• Post-upgrade, cluster CPU features may downgrade 

• NIC deployment errors using v4 API 

• Flash mode toggle may fail with volume groups 

Data Replication & Protection

• Force delete tasks may hang

• Snapshot replication quirks with NearSync 

• Manual VM recovery may omit NIC 

Prism & NGT

• Web console may fail under high load 

• NGT service may fail post-upgrade 

Infrastructure & Services

• On-disk deduplication may auto-disable on large fresh deployments 

• VM memory changes round up on AHV

Networking

• Virtual switch updates may fail if launched from Prism Central 

Upgrade Essentials

• Use Life Cycle Manager (LCM) via Prism to upgrade.

• V3 VM APIs are not supported in Prism Element. Stick with Prism Central.

• Host-based reservation is deprecated—switch to segment-based.

• VLAN Discovery is disabled by default for safety.

• Compatibility with NetBackup 8.2 requires an EEB from Veritas.

Feature Support by Hypervisor

Whether you're running AHV, ESXi, or Hyper-V, AOS 7.3.0.1 brings robust support across critical features like:

• Self-service restore

• Async DR with NearSync

• VM roles and RBAC

• vGPU, vNUMA, and whole-node maintenance mode

(For full compatibility, check the matrix in the Support Portal).