Add multiple devices to the Trusted Hosts file.

add-multiple-devices-to-trusted-hosts.ps1

$trustedHosts = Get-Item WSMan:\localhost\Client\TrustedHosts
if ($trustedHosts.Value -eq "") {
	Set-Item WSMan:\localhost\Client\TrustedHosts -Value $ipAddress -Force
}
elseif (-not $trustedHosts.Value.Contains($ipAddress)) {
	Set-Item WSMan:\localhost\Client\TrustedHosts -Value "$($trustedHosts.Value),$($ipAddress)" -Force
}