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Introduced in newer vSphere releases, requiring a specialized ESA witness appliance designed to process single-tier NVMe storage subsystems. Sizing Specifications

Open your vSAN cluster configuration wizard tool.

A: No. The appliance is free and includes its own embedded license key. It does not consume a vSAN license capacity. download vsan witness appliance

During deployment, you will be prompted to select a deployment size. Choose the option that matches your cluster scale: Deployment Size Max Two-Node Clusters Max Component Count Compute Requirements Storage Requirements 2 vCPUs, 8 GB RAM 15 GB (Thin) Normal More than 10 2 vCPUs, 16 GB RAM 350 GB (Thin) Large For specialized vSAN Max/ESA 4 vCPUs, 32 GB RAM 700 GB (Thin) Step 4: Step-by-Step Deployment Guide

As of 2026, all VMware products, including the vSAN Witness Appliance, are managed through the Broadcom Support Portal. The appliance is free and includes its own

In conclusion, the vSAN Witness Appliance is a critical component of a vSAN environment, providing quorum management, data availability monitoring, and cluster health monitoring. By downloading and deploying the vSAN Witness Appliance, administrators can ensure improved data availability, enhanced cluster resilience, and simplified management. By following the best practices outlined in this article, you can ensure a successful deployment of the vSAN Witness Appliance and maximize the benefits of your vSAN environment.

You can find the appliance by following these steps on the Broadcom Support Portal : : Sign in to your account. Choose the option that matches your cluster scale:

Right-click your target management cluster or host and select . Select Local File , browse to your downloaded vSAN Witness .ova file, and click Next. Step 2: Name and Locate

During the deployment process of the OVA, vCenter will prompt you to select a deployment configuration size. Choosing the right size depends heavily on the scale of your environment and the number of components your vSAN cluster will manage. Sizing Tier Max Components Boot Disk (HDD) Capacity HDD Normal Up to 21,000 Large More than 21,000 3 x 350 GB