Download Vsan Witness Appliance [verified] May 2026

Reviewing the VMware vSAN Witness Appliance reveals it is a critical, virtualized ESXi host used primarily to provide quorum in 2-node or stretched cluster configurations. By acting as a "tie-breaker," it prevents "split-brain" scenarios where two sites might otherwise lose sync during a network failure. Key Benefits & Use Cases Cost Efficiency:

It eliminates the need for a third physical host in Remote Office/Branch Office (ROBO) or edge environments. Reduced Hardware Requirements:

It can run on a standard vSphere environment outside the main vSAN cluster, requiring only minimal bandwidth (as low as 2 Mbps for 1,000 components). Management Integration:

Because it is a pre-configured ESXi appliance, it is managed directly via the VMware vSphere interface like any other host. Download and Deployment Process

To obtain and set up the appliance, users generally follow these steps: Access the Broadcom/VMware Support Portal to download the OVA file specific to your vSAN version.

Import the OVA into your vCenter environment, ensuring it is placed on a datastore from the vSAN cluster it will be monitoring. Networking: download vsan witness appliance

Configure a dedicated VMkernel adapter for witness traffic, which can typically handle higher latency than standard vSAN data traffic. Registration:

Add the appliance to vCenter as a standalone ESXi host before assigning it to the cluster. Dell Technologies Info Hub Performance & Reliability Recent industry reviews from Gartner Peer Insights

highlight that while vSAN is highly scalable and resilient, the witness appliance setup requires meticulous network planning

to avoid configuration errors. Once established, however, it is praised for its seamless integration with the broader VMware stack. step-by-step guide for configuring the witness traffic on your management network

vSAN Witness Appliance is a critical component for vSAN Stretched Cluster and 2-node configurations, acting as a "tie-breaker" to maintain quorum during network partitions Reviewing the VMware vSAN Witness Appliance reveals it

. It is essentially a pre-configured, nested ESXi host packaged as an OVA file, which means it doesn't require a dedicated physical license or physical disks for data storage. Where to Download

Since the Broadcom acquisition of VMware, all downloads have moved to the Broadcom Support Portal. : Sign in to the Broadcom Support Portal Navigate to Downloads On the left sidebar, click My Downloads VMware Cloud Foundation (or search for "vSphere"). VMware vSphere

and then your specific edition (e.g., Standard or Enterprise). Find the Appliance Select the Drivers & Tools Search for " " in the search box.

Choose the version matching your vSAN cluster (e.g., 8.0 Update 3). Select the Right Type

: For vSAN 8.x, ensure you download the correct version for your architecture—either (Original Storage Architecture) or (Express Storage Architecture). Deployment Considerations Step 5: Locate the Witness Appliance Package Inside

Once downloaded, the appliance is deployed as an OVF template through the vSphere Client.

Here is the proper content and step-by-step guide for downloading the vSAN Witness Appliance (also known as the vSAN Stretched Cluster Witness Appliance).

Step 5: Locate the Witness Appliance Package

Inside the expanded view for your chosen version, scroll down to the section labeled: "VMware vSAN Witness Appliance"

You will typically see two file types: | File Name Pattern | Description | |------------------|-------------| | VMware-vSAN-Witness-Appliance-<version>.ova | Recommended. The Open Virtual Appliance (OVA) format for easy deployment via vCenter. | | VMware-vSAN-Witness-Appliance-<version>.zip | Contains OVF files and VMDKs for manual deployment. |

What is the vSAN Witness Appliance? (And Why Do You Need It?)

Before diving into the download process, it is crucial to understand what this appliance does. The vSAN Witness Appliance is a lightweight, pre-configured virtual machine (VM) that acts as a tiebreaker in a two-node vSAN cluster.

Post-Download Checklist

After downloading the .ova file, verify the following before deployment:

[ ] Checksum Validation – Compare the SHA256 hash provided on the download page against your downloaded file.
[ ] License Readiness – Ensure your vSAN license has the "Stretched Cluster" capability enabled.
[ ] Network Configuration – Plan the IP address, subnet, and gateway for the Witness, as it must have Layer 3 reachability to both main sites.
[ ] Ports – Confirm firewall rules allow traffic on ports 1514 (TCP/UDP) and 2233 (TCP) between the Witness and the ESXi hosts.

Alternative Download Locations (if not found)

VMware Product Downloads Index
https://my.vmware.com/web/vmware/downloads → Search “vSAN Witness”
Broadcom Support Portal (post-acquisition)
Some older versions are archived under “Download Products” → “VMware vSAN”

Alternative: Download via VMware vSphere Client

If you already have a running vCenter Server:

Log in to vSphere Client.
Navigate to a Cluster or Host.
Right-click → Deploy OVF Template.
In the deployment wizard, select "Local file" and then click on the "Download OVF package from VMware" link (this opens a browser window to the official download page for the appliance).