Ensures no resource instance have the same name when extracting them.

CHANGELOG.md

@@ -8,17 +8,18 @@
   * Initial release
 * IntuneDeviceConfigurationKioskPolicyWindows10
   * Initial release
+* SCLabelPolicy
+  * If label policy is set to None don't get its label display name since it's not required
+    FIXES [#3104](https://github.com/microsoft/Microsoft365DSC/issues/3104)
 * DRG
   * Fixed issue retrieving the cmdlet definition when the resource type is derived from an abstract type
   * Fixed issue with UnitTest and complex properties with AdditionalProperties
   * Fixed issue with Complex constructor and complex properties with AdditionalProperties
-* SCLabelPolicy
-  * If label policy is set to None don't get its label display name since it's not required
-    FIXES [#3104](https://github.com/microsoft/Microsoft365DSC/issues/3104)
 * MISC
   * Reports will now exclude the authentication parameters (e.g., CertificateThumbprint, Credential, etc.).
   * Changed the Encoding helper's logic to ensure titled quotes and apostrophes are correctly evaluated.
     FIXES [#3165](https://github.com/microsoft/Microsoft365DSC/issues/3165)
+  * Fixes an issue where the new resource name extraction could still have duplicates.
 
 # 1.23.412.1
 

Modules/Microsoft365DSC/Modules/M365DSCUtil.psm1

@@ -1128,6 +1128,9 @@ function Export-M365DSCConfiguration
         $ManagedIdentity
     )
 
+    # Define the exported resource instances' names Global variable
+    $Global:M365DSCExportedResourceInstancesNames = @()
+
     # LaunchWebUI specified, launching that now
     if ($LaunchWebUI)
     {
@@ -1308,6 +1311,9 @@ function Export-M365DSCConfiguration
             -AllComponents `
             -Filters $Filters
     }
+
+    # Clear the exported resource instances' names Global variable
+    $Global:M365DSCExportedResourceInstancesNames = $null
 }
 
 $Script:M365DSCDependenciesValidated = $false
@@ -3230,6 +3236,19 @@ function Get-M365DSCExportContentForResource
     {
         $instanceName += "-$($Results.Workload)"
     }
+
+    # Check to see if a resource with this exact name was already exported, if so, append a number to the end.
+    $i = 2
+    $tempName = $instanceName
+    while ($null -ne $Global:M365DSCExportedResourceInstancesNames -and `
+           $Global:M365DSCExportedResourceInstancesNames.Contains($tempName))
+    {
+        $tempName = $instanceName + "-" + $i.ToString()
+        $i++
+    }
+    $instanceName = $tempName
+    $Global:M365DSCExportedResourceInstancesNames += $tempName
+
     $content = "        $ResourceName `"$instanceName`"`r`n"
     $content += "        {`r`n"
     $partialContent = Get-DSCBlock -Params $Results -ModulePath $ModulePath
@@ -3286,6 +3305,7 @@ function Get-M365DSCExportContentForResource
     }
     $content += $partialContent
     $content += "        }`r`n"
+
     return $content
 }