Easi Blog

The End of vSphere 8: Time to Move to vSphere 9

Written by Dirk Slechten | Sep 12, 2025 1:12:39 PM

vSphere 8 is still supported today, but its End of Life (EOL) dates are already on the roadmap. That means the clock is ticking for businesses still running it.

What does EOL mean?

End of Life (EOL) is when a software version stops receiving updates, bug fixes, and official support from the vendor. For VMware vSphere, this happens in two stages:

  • General Support: You get full patches, updates, and hardware compatibility.
  • Technical Guidance: Limited help, but no new features or fixes for new hardware.

Once both phases are over, the product is considered fully out of support.

Why staying on vSphere 8 too long is risky

Even if vSphere 8 still “works,” delaying upgrades can cause problems:

⚠️ Security holes: No new patches means your systems are exposed.
⚠️ Compliance issues: Many industries require supported software to pass audits.
⚠️ Hardware limits: New servers, CPUs, and storage may not work with older versions.
⚠️ No new features: You miss out on performance improvements and modern workload support.
⚠️ Rising costs: Older systems take more time and effort to manage.
⚠️ Limited vendor support: VMware may not help you if an issue arises.

What’s new in vSphere 9

Upgrading to vSphere 9 isn’t just about avoiding risk — it also opens the door to better tools and performance.

Here are some of the highlights:

💡 Live patching: Apply many updates without rebooting servers or moving workloads. Less downtime, less hassle.
💡 Modern hardware support: Better performance for AI, machine learning, GPUs, and next-gen servers.
💡 Stronger security: Updated encryption and compliance features keep you audit-ready.
💡 Cloud & containers: Improved support for Kubernetes and hybrid cloud workloads.
💡Direct upgrade path: You can upgrade straight from vSphere 8 to vSphere 9 — no messy in-between steps.

Why upgrade sooner rather than later

Waiting until vSphere 8 is fully out of support can backfire. Companies that move earlier benefit from:

🤝 Lower risk: Stay protected and supported.
🤝 Lower costs: Avoid emergency upgrades or expensive support contracts.
🤝 Smoother operations: New tools reduce downtime and admin workload.
🤝 Future-proofing: Be ready for modern workloads, not held back by outdated software.
🤝 Competitive advantage: Faster, more reliable infrastructure helps you move quicker than competitors.

Key steps to prepare

Before upgrading, make sure to:

Check hardware compatibility with vSphere 9.
Review licensing changes (VMware has updated product bundles).
Train your team on new features.
Test the upgrade in a non-production environment first.
Plan downtime windows and align with other IT projects.

Final thoughts

vSphere 8 won’t be supported forever, and running out-of-date software is a risky bet. By moving to vSphere 9, companies not only stay secure and compliant, but also gain access to stronger tools, better performance, and smoother operations.

The best time to plan your upgrade is before you have to — while you still have control over the schedule, budget, and outcome.

Easi is here to help you make the smartest move: Together, we’ll review your current licenses and entitlements, compare the options of staying on vSphere 8 or migrating to WF/VCF, and put clear alternatives side by side. Always transparent, always tailored to your unique situation.

In case of questions, please contact:


Dirk Slechten

Executive System Engineer

📧 d.slechten@easi.net


Bavo Van Dycke

Senior Account Manager

📧 b.vandycke@easi.net