The installation requires the entire physical host to be rebooted

PREREQUISITES

■ IPMI: ensure you have access to the IPMI interface for remote management;
■ ISO: download the correct ISO file based on the versions of SynetoOS you want to install

   → SynetoOS 6.0.0,6486 GA + VMware ESXi 8.0U3f
   → SynetoOS 6.0.0 6486 GA + VMware ESXi 7.0U3w
   → SynetoOS 5.4.1.5266 + VMware ESXi 8.0U3d
   → SynetoOS 5.4.1.5266 + VMware ESXi 7.0U3s
   → SynetoOS 5.4.0.4869 + VMware ESXi 7.0U3q
   → SynetoOS 4.8.6.4777 + VMware ESXi 7.0U3p
   → SynetoOS 4.7.4.2733 + VMware ESXi 6.7.0

Step 1. Set the IPMI session timeout to 0 ("How to Set the IPMI Session Timeout to 0")

Step 2. Shut down all VMs and VMware ESXi system

Step 3. Run the ISO from IPMI ("How to Mount an ISO via IPMI")

Step 4. Select the newly mounted ISO via IPMI and boot it up

Step 5. Wait for VMware ESXi installation to finish (about 1 hour)

https://<your_ip_address_or_hostname>