From 1ca07fb99b3e0a877cd67a3852e85a45908ca9bc Mon Sep 17 00:00:00 2001
From: Yvan Duhamel <yvandev@outlook.fr>
Date: Thu, 3 Dec 2020 09:38:11 +0100
Subject: [PATCH] Do not set ProviderSignOutUri in SP2013

---
 CHANGELOG.md                                               | 4 ++++
 .../MSFT_SPTrustedIdentityTokenIssuer.psm1                 | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74497ecfa..8da394b06 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]
 
+- SPTrustedIdentityTokenIssuer
+  - Do not set property ProviderSignOutUri in SharePoint 2013 as it does
+  not exist
+
 ### Fixed
 
 - SPWebAppPolicy
diff --git a/SharePointDsc/DSCResources/MSFT_SPTrustedIdentityTokenIssuer/MSFT_SPTrustedIdentityTokenIssuer.psm1 b/SharePointDsc/DSCResources/MSFT_SPTrustedIdentityTokenIssuer/MSFT_SPTrustedIdentityTokenIssuer.psm1
index 364f3197a..67b7c6283 100644
--- a/SharePointDsc/DSCResources/MSFT_SPTrustedIdentityTokenIssuer/MSFT_SPTrustedIdentityTokenIssuer.psm1
+++ b/SharePointDsc/DSCResources/MSFT_SPTrustedIdentityTokenIssuer/MSFT_SPTrustedIdentityTokenIssuer.psm1
@@ -342,7 +342,12 @@ function Set-TargetResource
 
                 if ($params.ProviderSignOutUri)
                 {
-                    $trust.ProviderSignOutUri = New-Object -TypeName System.Uri ($params.ProviderSignOutUri)
+                    $installedVersion = Get-SPDscInstalledProductVersion
+                    # This property does not exist in SharePoint 2013
+                    if ($installedVersion.FileMajorPart -ne 15)
+                    {
+                        $trust.ProviderSignOutUri = New-Object -TypeName System.Uri ($params.ProviderSignOutUri)
+                    }
                 }
                 $trust.Update()
             }