VMware官方文档指出，想升级到esxi 6.7 u3，目前你使用的esxi最低版本必须是6.0，低于此版本的必须先升级到6.0，然后再升级到6.7 u3。 you can only upgrade esxi to 6.7 u3 if the esxi you're running is 6.0 or above. Anything older than 6.0, you'll need to upgrade to 6.0 first, and then do a second upgrade to 6.7 u3.
Before you start, take a look at esxi 6.7 update 3 new fetures. Navigate to https://my.vmware.com, log in with your account, and download the latest version of esxi.
选择上面的红框标注的位置 chose and click the marked link选择esxi 然后点击下面的search, choose esxi and then search找到最新版本 下载 find and download the latest version将下载的安装包上传到esxi后台 upload the esxi package to esxi storage打开esxi的SSH权限 enable the esxi ssh使用ssh工具登陆esxi后台 找到升级包存放的位置 connect esxi through SSH and locate the package you just uploaded将esxi设为维护模式 之前需要关闭所有的虚拟机电源 put the esxi into maintenance mode, poweroff all your VMs before you do that
issue the command above, change the path of your esxi package accordingly
运行命令 几分钟后会有结果提示升级成功 然后reboot机器 2 or 3 minutes later, the update should completed successfully, then reboot.重启完成后，退出维护模式，可以看到esxi版本号已经是最新的了 after the reboot completed, log into esxi, quit the maintenance mode, and you'll noticed the version number has changed to the newest.
