Merged xSPInstallPrereqs

Author: BrianFarnhill

Modules/xSharePoint/DSCResources/MSFT_xSPInstallPrereqs/MSFT_xSPInstallPrereqs.psm1

@@ -21,15 +21,17 @@ function Get-TargetResource
     $installedItems = Get-CimInstance -ClassName Win32_Product
     #TODO: Ensure this checks for all prereqs, believe this list is missing a couple
     #TODO: Check the list on other operating systems, this was tested on 2012 R2
-    $returnValue.Add("Microsoft SQL Server 2008 R2 Native Client", ($null -ne ($installedItems | Where-Object {$_.Name -eq "Microsoft SQL Server 2008 R2 Native Client"})))
-    $returnValue.Add("Microsoft Sync Framework Runtime v1.0 SP1 (x64)", ($null -ne ($installedItems | Where-Object {$_.Name -eq "Microsoft Sync Framework Runtime v1.0 SP1 (x64)"})))
-    $returnValue.Add("AppFabric 1.1 for Windows Server", ($null -ne ($installedItems | Where-Object {$_.Name -eq "AppFabric 1.1 for Windows Server"})))
-    $returnValue.Add("Microsoft Identity Extensions", ($null -ne ($installedItems | Where-Object {$_.Name -eq "Microsoft Identity Extensions"})))
-    $returnValue.Add("Active Directory Rights Management Services Client 2.0", ($null -ne ($installedItems | Where-Object {$_.Name -eq "Active Directory Rights Management Services Client 2.0"})))
-    $returnValue.Add("WCF Data Services 5.0 (for OData v3) Primary Components", ($null -ne ($installedItems | Where-Object {$_.Name -eq "WCF Data Services 5.0 (for OData v3) Primary Components"})))
-    $returnValue.Add("WCF Data Services 5.6.0 Runtime", ($null -ne ($installedItems | Where-Object {$_.Name -eq "WCF Data Services 5.6.0 Runtime"})))
-    $returnValue.Add("Microsoft CCR and DSS Runtime 2008 R3", ($null -ne ($installedItems | Where-Object {$_.Name -eq "Microsoft CCR and DSS Runtime 2008 R3"})))
-    
+    $returnValue.Add("Microsoft SQL Server 2008 R2 Native Client", (($installedItems | ? {$_.Name -eq "Microsoft SQL Server 2008 R2 Native Client"}) -ne $null))
+    $returnValue.Add("Microsoft Sync Framework Runtime v1.0 SP1 (x64)", (($installedItems | ? {$_.Name -eq "Microsoft Sync Framework Runtime v1.0 SP1 (x64)"}) -ne $null))
+    $returnValue.Add("AppFabric 1.1 for Windows Server", (($installedItems | ? {$_.Name -eq "AppFabric 1.1 for Windows Server"}) -ne $null))
+
+    # Detect Identity extensions from the registry as depending on the user that installed it may not appear in the WmiObject call
+    $returnValue.Add("Microsoft Identity Extensions", (@(Get-ChildItem HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\ -Recurse | ? {$_.GetValue("DisplayName") -eq "Microsoft Identity Extensions" }).Count -gt 0))
+    $returnValue.Add("Active Directory Rights Management Services Client 2.0", (($installedItems | ? {$_.Name -eq "Active Directory Rights Management Services Client 2.0"}) -ne $null))
+    $returnValue.Add("WCF Data Services 5.0 (for OData v3) Primary Components", (($installedItems | ? {$_.Name -eq "WCF Data Services 5.0 (for OData v3) Primary Components"}) -ne $null))
+    $returnValue.Add("WCF Data Services 5.6.0 Runtime", (($installedItems | ? {$_.Name -eq "WCF Data Services 5.6.0 Runtime"}) -ne $null))
+    $returnValue.Add("Microsoft CCR and DSS Runtime 2008 R3", (($installedItems | ? {$_.Name -eq "Microsoft CCR and DSS Runtime 2008 R3"}) -ne $null))
+
     $returnValue
 }