diff --git a/eng/common/TestResources/New-TestResources.ps1 b/eng/common/TestResources/New-TestResources.ps1
index ea2987f115e..64e075c5704 100644
--- a/eng/common/TestResources/New-TestResources.ps1
+++ b/eng/common/TestResources/New-TestResources.ps1
@@ -52,7 +52,7 @@ param (
     [ValidatePattern('^[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}$')]
     [string] $ProvisionerApplicationOid,
 
-    [Parameter(ParameterSetName = 'Provisioner', Mandatory = $true)]
+    [Parameter(ParameterSetName = 'Provisioner')]
     [string] $ProvisionerApplicationSecret,
 
     [Parameter()]
diff --git a/eng/common/TestResources/New-TestResources.ps1.md b/eng/common/TestResources/New-TestResources.ps1.md
index 55f791ea1a6..f44feb1ab43 100644
--- a/eng/common/TestResources/New-TestResources.ps1.md
+++ b/eng/common/TestResources/New-TestResources.ps1.md
@@ -29,7 +29,7 @@ New-TestResources.ps1 [-BaseName <String>] [-ResourceGroupName <String>] [-Servi
  [-TestResourcesDirectory <String>] [-TestApplicationId <String>] [-TestApplicationSecret <String>]
  [-TestApplicationOid <String>] -TenantId <String> [-SubscriptionId <String>]
  -ProvisionerApplicationId <String> [-ProvisionerApplicationOid <String>]
- -ProvisionerApplicationSecret <String> [-DeleteAfterHours <Int32>] [-Location <String>]
+ [-ProvisionerApplicationSecret <String>] [-DeleteAfterHours <Int32>] [-Location <String>]
  [-Environment <String>] [-ResourceType <String>] [-ArmTemplateParameters <Hashtable>]
  [-AdditionalParameters <Hashtable>] [-EnvironmentVariables <Hashtable>] [-CI] [-Force] [-OutFile]
  [-SuppressVsoCommands] [-ServicePrincipalAuth] [-NewTestResourcesRemainingArguments <Object>]
@@ -426,7 +426,7 @@ Type: String
 Parameter Sets: Provisioner
 Aliases:
 
-Required: True
+Required: False
 Position: Named
 Default value: None
 Accept pipeline input: False
diff --git a/eng/common/TestResources/Remove-TestResources.ps1 b/eng/common/TestResources/Remove-TestResources.ps1
index 4d28acc7d09..490b41b8ebe 100644
--- a/eng/common/TestResources/Remove-TestResources.ps1
+++ b/eng/common/TestResources/Remove-TestResources.ps1
@@ -34,8 +34,8 @@ param (
     [ValidatePattern('^[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}$')]
     [string] $ProvisionerApplicationId,
 
-    [Parameter(ParameterSetName = 'Default+Provisioner', Mandatory = $true)]
-    [Parameter(ParameterSetName = 'ResourceGroup+Provisioner', Mandatory = $true)]
+    [Parameter(ParameterSetName = 'Default+Provisioner')]
+    [Parameter(ParameterSetName = 'ResourceGroup+Provisioner')]
     [string] $ProvisionerApplicationSecret,
 
     [Parameter(ParameterSetName = 'Default', Position = 0)]
diff --git a/eng/common/TestResources/Remove-TestResources.ps1.md b/eng/common/TestResources/Remove-TestResources.ps1.md
index 15ac14ea87e..62b9e4f987b 100644
--- a/eng/common/TestResources/Remove-TestResources.ps1.md
+++ b/eng/common/TestResources/Remove-TestResources.ps1.md
@@ -23,7 +23,7 @@ Remove-TestResources.ps1 [-BaseName <String>] [-SubscriptionId <String>] [[-Serv
 ### Default+Provisioner
 ```
 Remove-TestResources.ps1 -BaseName <String> -TenantId <String> [-SubscriptionId <String>]
- -ProvisionerApplicationId <String> -ProvisionerApplicationSecret <String> [[-ServiceDirectory] <String>]
+ -ProvisionerApplicationId <String> [-ProvisionerApplicationSecret <String>] [[-ServiceDirectory] <String>]
  [-Environment <String>] [-ResourceType <String>] [-ServicePrincipalAuth] [-Force]
  [-RemoveTestResourcesRemainingArguments <Object>] [-ProgressAction <ActionPreference>] [-WhatIf] [-Confirm]
  [<CommonParameters>]
@@ -32,7 +32,7 @@ Remove-TestResources.ps1 -BaseName <String> -TenantId <String> [-SubscriptionId
 ### ResourceGroup+Provisioner
 ```
 Remove-TestResources.ps1 [-ResourceGroupName <String>] -TenantId <String> [-SubscriptionId <String>]
- -ProvisionerApplicationId <String> -ProvisionerApplicationSecret <String> [[-ServiceDirectory] <String>]
+ -ProvisionerApplicationId <String> [-ProvisionerApplicationSecret <String>] [[-ServiceDirectory] <String>]
  [-Environment <String>] [-CI] [-ResourceType <String>] [-ServicePrincipalAuth] [-Force]
  [-RemoveTestResourcesRemainingArguments <Object>] [-ProgressAction <ActionPreference>] [-WhatIf] [-Confirm]
  [<CommonParameters>]
@@ -184,7 +184,7 @@ Type: String
 Parameter Sets: Default+Provisioner, ResourceGroup+Provisioner
 Aliases:
 
-Required: True
+Required: False
 Position: Named
 Default value: None
 Accept pipeline input: False
diff --git a/eng/common/TestResources/deploy-test-resources.yml b/eng/common/TestResources/deploy-test-resources.yml
index 5b1b080979a..b4197dc236d 100644
--- a/eng/common/TestResources/deploy-test-resources.yml
+++ b/eng/common/TestResources/deploy-test-resources.yml
@@ -7,6 +7,7 @@ parameters:
   ServiceConnection: not-specified
   ResourceType: test
   UseFederatedAuth: false
+  SubscriptionConfigurationFilePath: ''
 
 
 # SubscriptionConfiguration will be splatted into the parameters of the test
@@ -54,9 +55,17 @@ steps:
         Inline: |
           eng/common/scripts/Import-AzModules.ps1
 
-          $subscriptionConfiguration = @'
-            ${{ parameters.SubscriptionConfiguration }}
+          if ('${{ parameters.SubscriptionConfigurationFilePath }}' -ne '') {
+            $subscriptionConfiguration = `
+              Get-Content '${{ parameters.SubscriptionConfigurationFilePath }}' `
+              | ConvertFrom-Json -AsHashtable;
+          } else {
+            # Multiline string termination ('@) needs to be at the beginning
+            # of the line
+            $subscriptionConfiguration = @'
+              ${{ parameters.SubscriptionConfiguration }}
           '@ | ConvertFrom-Json -AsHashtable;
+          }
 
           # The subscriptionConfiguration may have ArmTemplateParameters defined, so
           # pass those in via the ArmTemplateParameters flag, and handle any
diff --git a/eng/common/TestResources/remove-test-resources.yml b/eng/common/TestResources/remove-test-resources.yml
index 121f6b3dda4..89aa7d825e4 100644
--- a/eng/common/TestResources/remove-test-resources.yml
+++ b/eng/common/TestResources/remove-test-resources.yml
@@ -7,6 +7,7 @@ parameters:
   ServiceConnection: not-specified
   ResourceType: test
   UseFederatedAuth: false
+  SubscriptionConfigurationFilePath: ''
 
 # SubscriptionConfiguration will be splat into the parameters of the test
 # resources script. It should be JSON in the form:
@@ -36,10 +37,20 @@ steps:
         Inline: |
           eng/common/scripts/Import-AzModules.ps1
 
-          $subscriptionConfiguration = @"
-            ${{ parameters.SubscriptionConfiguration }}
+
+          if ('${{ parameters.SubscriptionConfigurationFilePath }}' -ne '') {
+            $subscriptionConfiguration = `
+              Get-Content '${{ parameters.SubscriptionConfigurationFilePath }}' `
+              | ConvertFrom-Json -AsHashtable;
+          } else {
+            # Multiline string termination ("@) needs to be at the beginning
+            # of the line
+            $subscriptionConfiguration = @"
+              ${{ parameters.SubscriptionConfiguration }}
           "@ | ConvertFrom-Json -AsHashtable;
 
+          }
+
           eng/common/TestResources/Remove-TestResources.ps1 `
             @subscriptionConfiguration `
             -ResourceType '${{ parameters.ResourceType }}' `
diff --git a/eng/common/TestResources/sub-config/AzurePublicMsft.json b/eng/common/TestResources/sub-config/AzurePublicMsft.json
new file mode 100644
index 00000000000..78d8a782c26
--- /dev/null
+++ b/eng/common/TestResources/sub-config/AzurePublicMsft.json
@@ -0,0 +1,10 @@
+{
+    "SubscriptionId": "2cd617ea-1866-46b1-90e3-fffb087ebf9b",
+    "TenantId": "72f988bf-86f1-41af-91ab-2d7cd011db47",
+    "TestApplicationId": "f850650c-1fcf-4489-b46f-71af2e30d360",
+    "TestApplicationOid": "30511c9d-ba1a-4c7b-b422-5b543da11b3f",
+    "ProvisionerApplicationId": "f850650c-1fcf-4489-b46f-71af2e30d360",
+    "ProvisionerApplicationOid": "30511c9d-ba1a-4c7b-b422-5b543da11b3f",
+    "Environment": "AzureCloud",
+    "AzureSubscription": "Azure SDK Test Resources"
+}
\ No newline at end of file