diff --git a/images/win/Windows2016-Azure.json b/images/win/Windows2016-Azure.json
index 8096a7c0..832d4690 100644
--- a/images/win/Windows2016-Azure.json
+++ b/images/win/Windows2016-Azure.json
@@ -694,12 +694,6 @@
                 "{{ template_dir }}/scripts/Installers/Validate-AzureModules.ps1"
             ]
         },
-        {
-            "type": "powershell",
-            "scripts":[
-                "{{ template_dir }}/scripts/Installers/Validate-DotnetTLS.ps1"
-            ]
-        },
         {
             "type": "powershell",
             "scripts":[
diff --git a/images/win/Windows2019-Azure.json b/images/win/Windows2019-Azure.json
index d45e2583..97839969 100644
--- a/images/win/Windows2019-Azure.json
+++ b/images/win/Windows2019-Azure.json
@@ -693,12 +693,6 @@
                 "{{ template_dir }}/scripts/Installers/Validate-AzureModules.ps1"
             ]
         },
-        {
-            "type": "powershell",
-            "scripts":[
-                "{{ template_dir }}/scripts/Installers/Validate-DotnetTLS.ps1"
-            ]
-        },
         {
             "type": "powershell",
             "scripts":[
diff --git a/images/win/scripts/Installers/Update-DotnetTLS.ps1 b/images/win/scripts/Installers/Update-DotnetTLS.ps1
index f07e3ca0..b854e660 100644
--- a/images/win/scripts/Installers/Update-DotnetTLS.ps1
+++ b/images/win/scripts/Installers/Update-DotnetTLS.ps1
@@ -13,6 +13,7 @@ if(Test-Path $registryPath){
 $registryPath = "HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319"
 if(Test-Path $registryPath){
     Set-ItemProperty -Path $registryPath -Name $name -Value $value -Type DWORD
-} 
+}
 
+Invoke-PesterTests -TestFile "Tools" -TestName "DotnetTLS"
 
diff --git a/images/win/scripts/Installers/Validate-DotnetTLS.ps1 b/images/win/scripts/Installers/Validate-DotnetTLS.ps1
deleted file mode 100644
index 0d17c7b0..00000000
--- a/images/win/scripts/Installers/Validate-DotnetTLS.ps1
+++ /dev/null
@@ -1,18 +0,0 @@
-################################################################################
-##  File:  Validate-DotnetTLS.ps1
-##  Desc:  Validate DotNetFramework security protocol to TLS 1.2
-################################################################################
-
-$protocols = [Net.ServicePointManager]::SecurityProtocol
-$protocolArr = $protocols -split ', '
-if ($protocolArr.Contains('Tls12'))
-{
-    Write-Host 'Tls 1.2 has been enabled.'
-}
-else
-{
-    Write-Host 'Tls 1.2 has not been enabled.'
-    exit 1
-}
-
-
diff --git a/images/win/scripts/Tests/Tools.Tests.ps1 b/images/win/scripts/Tests/Tools.Tests.ps1
index 16be04e7..f2317be3 100644
--- a/images/win/scripts/Tests/Tools.Tests.ps1
+++ b/images/win/scripts/Tests/Tools.Tests.ps1
@@ -16,6 +16,12 @@ Describe "Kind" {
     }
 }
 
+Describe "DotnetTLS" {
+    It "Tls 1.2 is enabled" {
+        [Net.ServicePointManager]::SecurityProtocol -band "Tls12" | Should -Be Tls12
+    }
+}
+
 Describe "Jq" {
     It "Jq" {
         "jq -n ." | Should -ReturnZeroExitCode