From 878fe844161b758b29016f22ba1066bbb20ff8ae Mon Sep 17 00:00:00 2001
From: "Hannappel, Christoph" <christoph.hannappel@dataport.de>
Date: Tue, 8 Mar 2022 16:36:47 +0100
Subject: [PATCH] Fix: use of SecureSocketsLayer on older SharePoint Versions
 than Subscription Edition

---
 CHANGELOG.md                                             | 4 ++++
 .../MSFT_SPWebApplication/MSFT_SPWebApplication.psm1     | 9 +++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c76e642e..f85f4ef8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- SPWebApplication
+  - Fixed an issue where the Set method tried to use the Parameter SecureSocketsLayer with Set-SPWebApplication on SharePoint Server older than Subscription Edition.
+
 ## [5.1.0] - 2022-02-24
 
 ### Added
diff --git a/SharePointDsc/DSCResources/MSFT_SPWebApplication/MSFT_SPWebApplication.psm1 b/SharePointDsc/DSCResources/MSFT_SPWebApplication/MSFT_SPWebApplication.psm1
index 3acd52cd3..de71eab9f 100644
--- a/SharePointDsc/DSCResources/MSFT_SPWebApplication/MSFT_SPWebApplication.psm1
+++ b/SharePointDsc/DSCResources/MSFT_SPWebApplication/MSFT_SPWebApplication.psm1
@@ -618,10 +618,6 @@ function Set-TargetResource
                 {
                     $updateWebAppParams.Add("AllowLegacyEncryption", $params.AllowLegacyEncryption)
                 }
-                if ((New-Object -TypeName System.Uri $params.WebAppUrl).Scheme -eq "https")
-                {
-                    $updateWebAppParams.Add("SecureSocketsLayer", $true)
-                }
 
                 $productVersion = Get-SPDscInstalledProductVersion
                 if ($productVersion.FileMajorPart -eq 16 -and `
@@ -636,6 +632,11 @@ function Set-TargetResource
                     {
                         $updateWebAppParams.Add("Port", $params.Port)
                     }
+
+                    if ((New-Object -TypeName System.Uri $params.WebAppUrl).Scheme -eq "https")
+                    {
+                        $updateWebAppParams.Add("SecureSocketsLayer", $true)
+                    }
                 }
 
                 Write-Verbose -Message "Updating web application with these parameters: $(Convert-SPDscHashtableToString -Hashtable $updateWebAppParams)"