Download and Install ESXi Host Client on all hosts in vCenter

InstallHostclient.ps1

Connect-viserver 10.160.200.218 -user administrator@vsphere.local -Password "Admin!23"

Write-Host "Downloading latest Host Client VIB" -ForegroundColor Green
$source = "http://download3.vmware.com/software/vmw-tools/esxui/esxui_signed.vib"
$Vib = "$ENV:Temp" + "\esxui_signed.vib"
 
Invoke-WebRequest $source -OutFile $Vib

$Vibname = $vib.split("\")[-1]
Get-VMHost | Foreach {
    Write-host "Installing ESXUI on $($_)" -ForegroundColor Green
    $datastore = $_ | Get-Datastore | Where {-Not $_.ExtensionData.Summary.MultipleHostAccess -and $_.Extensiondata.Info.vmfs} | Sort FreespaceGB -Descending | Select -first 1
    If (-not $Datastore) {
        Write-Host "Local Datastore not found trying any with space" -ForegroundColor Green
        $datastore = $_ | Get-Datastore | Sort FreespaceGB -Descending | Select -first 1
    }
    $remoteLocation = "/vmfs/volumes/" + $datastore + "/" + $Vibname
    $Psdrive = New-PSDrive -name "VIBDS" -Root \ -PSProvider VimDatastore -Datastore $datastore
    Write-Host "..Copying file to $datastore" -ForegroundColor Green
    $CopyVIB = Copy-Datastoreitem $VIB -Destination VIBDS:
    Write-host "..Installing VIB on $($_)" -ForegroundColor Green
    $esxcli = Get-EsxCli -VMHost $_
    $esxcli.software.vib.install($null,$false,$true,$false,$false,$true,$null,$null,$remotelocation)
    Write-Host "Host Client Installed, removing install file from $datastore" -ForegroundColor Green
    Get-childitem "$($psdrive.Name):\esxui_signed.vib" | Remove-Item
    Remove-PSDrive -name VIBDS -Confirm:$false 
}