ESXi 6.5 U3 May 2021 – Support Gen9 Servers and forward.For Synergy Servers, refer to. For customers already using VMware ESXi, it is recommended that you update to the latest version on their supported at your earliest convenience. Process to Download ESXI/vCenter Patches: To download a ESX, ESXi, VEM (patch bundles for Cisco Nexus Virtual Ethernet Module for ESX/ESXi), and vCenter Server patch follow the steps below: Go to the Customer Connect Patch Downloads page. Log in with your Customer Connect credentials.
There a several ways to patch a VMware ESXi server. vSphere Update Manager (VUM) can update for example a complete ESXi host cluster fully automatic. vSphere Update Manager requires a vCenter Server. When you don’t have a vCenter Server patching can be done from the command line.
Here is a quick overview of how to patch an ESXi 6.x or 7.x host to the latest patch or version (from ESXi 6 to 7 for example).
Step 1. Download the latest patch bundle from the VMware Web site, link. VMware ESXi patches are cumulative! Each patch bundle (.zip archive) includes all the updates from prior patches.
Step 2. Upload the patch bundle (zip) to a (central) datastore with the vSphere Client (prior vSphere 6.5), vSphere Web Client, ESXi host client.
Step 3. Enable SSH
In the vSphere Web client start the SSH service and make a SSH session to the ESXi host
Step 4. Put the host in maintenance mode
Step 5. Install the patch bundle
Using esxcli with the install method has the possibility of overwriting existing drivers. If you are using third-party ESXi images, VMware recommends using the update method to prevent an unbootable state. The following command will install the patch bunde:
For example install HPE ESXi 6 Update 3:
After the patch bundle is installed check the message. It must say “The update completed successfully, but the system needs to be rebooted for changes to be effective.”
Esxi 6.5 Patch
Step 6. Reboot the host by entering the following command:
Esxi 6.5 Patch Version
Step 7. Make a SSH session to the ESXi host and exit maintenance mode
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