From 70b28d75ebbec183e2d0178b4052c879df8c82a1 Mon Sep 17 00:00:00 2001
From: David Paulson <dpaul@microsoft.com>
Date: Fri, 6 Dec 2024 12:57:56 -0600
Subject: [PATCH] Check for 0 entries in list before trying to loop thru it

---
 .../Analyzer/Invoke-AnalyzerExchangeInformation.ps1            | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Diagnostics/HealthChecker/Analyzer/Invoke-AnalyzerExchangeInformation.ps1 b/Diagnostics/HealthChecker/Analyzer/Invoke-AnalyzerExchangeInformation.ps1
index 340825a65..a0e81c386 100644
--- a/Diagnostics/HealthChecker/Analyzer/Invoke-AnalyzerExchangeInformation.ps1
+++ b/Diagnostics/HealthChecker/Analyzer/Invoke-AnalyzerExchangeInformation.ps1
@@ -317,7 +317,8 @@ function Invoke-AnalyzerExchangeInformation {
 
             if ($exchangeInformation.ComputerMembership.ADGroupMembership -eq "NoAdModule") {
                 $displayMissingGroups.Add("Missing Active Directory Module. Run 'Install-WindowsFeature RSat-AD-PowerShell'")
-            } elseif ($null -ne $exchangeInformation.ComputerMembership.ADGroupMembership) {
+            } elseif ($null -ne $exchangeInformation.ComputerMembership.ADGroupMembership -and
+                $exchangeInformation.ComputerMembership.ADGroupMembership.Count -gt 0) {
                 foreach ($adGroup in $adGroupList) {
                     if (($null -eq ($exchangeInformation.ComputerMembership.ADGroupMembership.SID | Where-Object { $_.ToString() -eq $adGroup.SID }))) {
                         $displayMissingGroups.Add("$($adGroup.WellKnownName) - AD Group Membership")