diff --git a/Scripts/Set-VMHostSecureNTP.ps1 b/Scripts/Set-VMHostSecureNTP.ps1
new file mode 100644
index 0000000..fb3204b
--- /dev/null
+++ b/Scripts/Set-VMHostSecureNTP.ps1
@@ -0,0 +1,90 @@
+function Set-VMHostSecureNTP {
+    [CmdletBinding()]
+    param( 
+        [Parameter(Mandatory=$True, ValueFromPipeline=$True, Position=0, HelpMessage = "Specifies the hosts to configure.")]
+            [ValidateNotNullorEmpty()]
+            [VMware.VimAutomation.Types.VMHost[]] $VMHost,
+        [Parameter(Mandatory=$False, ValueFromPipeline=$False, Position=1, HelpMessage = "Type of confugration")]
+            [ValidateSet("SetSecure","Secure")]
+            [String] $Type = "SetSecure",
+        [Parameter(Mandatory=$True, ValueFromPipeline=$False, Position=2, HelpMessage = "Array of NTP Serbers")]
+            [ValidateNotNullorEmpty()] 
+            [Array] $NTP   
+    )
+    
+    begin {
+
+        function SetSecure ($MyHost) {
+            ## Get NTP Service  
+            $NTPService = $MyHost | Get-VMHostService | Where-Object {$_.key -eq "ntpd"}  
+            ## Stop NTP Service if running           
+            if($NTPService.Running -eq $True){
+                Stop-VMHostService -HostService $NTPService -Confirm:$false | Out-Null
+            }
+            ## Enable NTP Service
+            if($NTPService.Policy -ne "on"){
+                Set-VMHostService -HostService $NTPService -Policy "on" -confirm:$False | Out-Null
+            }
+            ## Remove all existiing NTP Servers
+            try {
+                foreach ($OldNtpServer in ($MyHost | Get-VMHostNtpServer)) {
+                    $MyHost | Remove-VMHostNtpServer -NtpServer $OldNtpServer -Confirm:$false
+                }
+            }
+            catch [System.Exception] {
+                Write-Warning "Error during removing existing NTP Servers on Host '$($MyHost.Name)'."
+            }
+            ## Set New NTP Servers
+            foreach ($myNTP in $NTP) {
+                $MyHost | Add-VMHostNtpServer -ntpserver $myNTP -confirm:$False | Out-Null
+            }
+            ## Set Current time on Host
+            $HostTimeSystem = Get-View $MyHost.ExtensionData.ConfigManager.DateTimeSystem
+            $HostTimeSystem.UpdateDateTime([DateTime]::UtcNow)
+            ## Start NTP Service
+            Start-VMHostService -HostService $NTPService -confirm:$False | Out-Null
+            ## Get NTP CLient Forewall Rule
+            $esxcli = Get-ESXCLI -VMHost $MyHost -v2
+            $esxcliargs = $esxcli.network.firewall.ruleset.rule.list.CreateArgs()
+            $esxcliargs.rulesetid = "ntpClient"
+            try {
+                $esxcli.network.firewall.ruleset.rule.list.Invoke($esxcliargs)
+                }
+                catch [System.Exception]  {
+                    Write-Warning "Error during Rule List. See latest errors..."
+                }
+            ## Set NTP Client Firewall Rule
+            $esxcliargs = $esxcli.network.firewall.ruleset.set.CreateArgs()
+            $esxcliargs.enabled = "true"
+            $esxcliargs.allowedall = "false"
+            $esxcliargs.rulesetid = "ntpClient"
+            try {
+                $esxcli.network.firewall.ruleset.set.Invoke($esxcliargs)
+                }
+                catch [System.Exception]  {
+                    Write-Warning "Error during Rule Set. See latest errors..."
+                }
+            ## Set NTP Client Firewall Rule AllowedIP
+            foreach ($myNTP in $NTP) {
+                $esxcliargs = $esxcli.network.firewall.ruleset.allowedip.add.CreateArgs()
+                $esxcliargs.ipaddress = $myNTP
+                $esxcliargs.rulesetid = "ntpClient"
+                try {
+                    $esxcli.network.firewall.ruleset.allowedip.add.Invoke($esxcliargs)
+                }
+                catch [System.Exception]  {
+                    Write-Warning "Error during Rule Update. See latest errors..."
+                }             
+            }
+        }
+        
+    }
+    
+    process {
+        
+    }
+    
+    end {
+        
+    }
+}
\ No newline at end of file