diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b1a7fc9..749c93a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,11 @@ Enhancement:
 - Updated `Invoke-VcfHealthReport` to include the hardware compatibility health using the `Publish-HardwareCompatibilityHealth` cmdlet. [GH-129](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-reporting/pull/129)
 - Added component size checks for vCenter Server instances and NSX Local Manager clusters to the overview report. [GH-130](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-reporting/pull/130)
 
+Refactor:
+
+- Updated `Request-VcenterAuthentication` to support isolated workload domains. [GH-131](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-reporting/pull/131)
+- Updated `Request-DatastoreStorageCapacity` to support isolated workload domains. [GH-131](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-reporting/pull/131)
+
 ## [v2.0.0](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-reporting/releases/tag/v2.0.0)
 
 > Release Date: 2023-04-25
diff --git a/VMware.CloudFoundation.Reporting.psd1 b/VMware.CloudFoundation.Reporting.psd1
index c01192f9..5104ce7d 100644
--- a/VMware.CloudFoundation.Reporting.psd1
+++ b/VMware.CloudFoundation.Reporting.psd1
@@ -12,7 +12,7 @@
     RootModule = '.\VMware.CloudFoundation.Reporting.psm1'
     
     # Version number of this module.
-    ModuleVersion = '2.1.0.1002'
+    ModuleVersion = '2.1.0.1003'
     
     # Supported PSEditions
     # CompatiblePSEditions = @()
diff --git a/VMware.CloudFoundation.Reporting.psm1 b/VMware.CloudFoundation.Reporting.psm1
index 18e1ecef..268b43d3 100644
--- a/VMware.CloudFoundation.Reporting.psm1
+++ b/VMware.CloudFoundation.Reporting.psm1
@@ -4341,7 +4341,7 @@ Function Request-DatastoreStorageCapacity {
             if (Test-VCFAuthentication -server $server -user $user -pass $pass) {
                 $customObject = New-Object System.Collections.ArrayList
                 $vcenter = (Get-VCFWorkloadDomain | Where-Object { $_.name -eq $domain }).vcenters
-                $vcfVcenterDetails = Get-vCenterServerDetail -server $server -user $user -pass $pass -domainType MANAGEMENT
+                $vcfVcenterDetails = Get-vCenterServerDetail -server $server -user $user -pass $pass -domain $domain
                 if (Test-VsphereConnection -server $($vcenter.fqdn)) {
                     if (Test-VsphereAuthentication -server $vcenter.fqdn -user $vcfVcenterDetails.ssoAdmin -pass $vcfVcenterDetails.ssoAdminPass) {
                         $datastores = Get-Datastore
@@ -4766,7 +4766,32 @@ Function Request-VcenterAuthentication {
                 if ($PsBoundParameters.ContainsKey("allDomains")) {
                     $allWorkloadDomains = Get-VCFWorkloadDomain
                     foreach ($domain in $allWorkloadDomains) {
-                        if (Test-vSphereApiAuthentication -server $domain.vcenters.fqdn -user $account.username -pass $account.password) {
+                        if (($vcfVcenterDetails = Get-vCenterServerDetail -server $server -user $user -pass $pass -domain $domain.name)) {
+                            if (Test-vSphereApiAuthentication -server $vcfVcenterDetails.fqdn -user $vcfVcenterDetails.ssoAdmin -pass $vcfVcenterDetails.ssoAdminPass -ErrorAction SilentlyContinue) {
+                                $alert = "GREEN"
+                                $message = "API Connection check successful!"
+                            } else {
+                                $alert = "RED"
+                                $message = "API Connection check failed!"
+                            }
+                            $elementObject = New-Object System.Collections.ArrayList
+                            $elementObject = New-Object -TypeName psobject
+                            $elementObject | Add-Member -NotePropertyName 'Component' -NotePropertyValue "vCenter"
+                            $elementObject | Add-Member -NotePropertyName 'Resource' -NotePropertyValue $vcfVcenterDetails.fqdn
+                            $elementObject | Add-Member -NotePropertyName 'Alert' -NotePropertyValue $alert
+                            $elementObject | Add-Member -NotePropertyName 'Message' -NotePropertyValue $message
+                            if ($PsBoundParameters.ContainsKey('failureOnly')) {
+                                if (($elementObject.alert -eq 'RED')) {
+                                    $customObject += $elementObject
+                                }
+                            } else {
+                                $customObject += $elementObject
+                            }
+                        }
+                    }
+                } else {
+                    if (($vcfVcenterDetails = Get-vCenterServerDetail -server $server -user $user -pass $pass -domain $workloadDomain)) {
+                        if (Test-vSphereApiAuthentication -server $vcfVcenterDetails.fqdn -user $vcfVcenterDetails.ssoAdmin -pass $vcfVcenterDetails.ssoAdminPass -ErrorAction SilentlyContinue) {
                             $alert = "GREEN"
                             $message = "API Connection check successful!"
                         } else {
@@ -4776,7 +4801,7 @@ Function Request-VcenterAuthentication {
                         $elementObject = New-Object System.Collections.ArrayList
                         $elementObject = New-Object -TypeName psobject
                         $elementObject | Add-Member -NotePropertyName 'Component' -NotePropertyValue "vCenter"
-                        $elementObject | Add-Member -NotePropertyName 'Resource' -NotePropertyValue $domain.vcenters.fqdn
+                        $elementObject | Add-Member -NotePropertyName 'Resource' -NotePropertyValue $vcfVcenterDetails.fqdn
                         $elementObject | Add-Member -NotePropertyName 'Alert' -NotePropertyValue $alert
                         $elementObject | Add-Member -NotePropertyName 'Message' -NotePropertyValue $message
                         if ($PsBoundParameters.ContainsKey('failureOnly')) {
@@ -4787,28 +4812,6 @@ Function Request-VcenterAuthentication {
                             $customObject += $elementObject
                         }
                     }
-                } else {
-                    $vcenter = (Get-VCFWorkloadDomain | Where-Object {$_.name -eq $workloadDomain}).vcenters.fqdn
-                    if (Test-vSphereApiAuthentication -server $vcenter -user $account.username -pass $account.password) {
-                        $alert = "GREEN"
-                        $message = "API Connection check successful!"
-                    } else {
-                        $alert = "RED"
-                        $message = "API Connection check failed!"
-                    }
-                    $elementObject = New-Object System.Collections.ArrayList
-                    $elementObject = New-Object -TypeName psobject
-                    $elementObject | Add-Member -NotePropertyName 'Component' -NotePropertyValue "vCenter"
-                    $elementObject | Add-Member -NotePropertyName 'Resource' -NotePropertyValue $vcenter
-                    $elementObject | Add-Member -NotePropertyName 'Alert' -NotePropertyValue $alert
-                    $elementObject | Add-Member -NotePropertyName 'Message' -NotePropertyValue $message
-                    if ($PsBoundParameters.ContainsKey('failureOnly')) {
-                        if (($elementObject.alert -eq 'RED')) {
-                            $customObject += $elementObject
-                        }
-                    } else {
-                        $customObject += $elementObject
-                    }
                 }
                 $customObject | Sort-Object Component, Resource
             }