diff --git a/eng/common/TestResources/New-TestResources.ps1 b/eng/common/TestResources/New-TestResources.ps1
index 0c63c29d7..0f997fd1e 100644
--- a/eng/common/TestResources/New-TestResources.ps1
+++ b/eng/common/TestResources/New-TestResources.ps1
@@ -92,6 +92,9 @@ param (
     [Parameter()]
     [switch] $SuppressVsoCommands = ($null -eq $env:SYSTEM_TEAMPROJECTID),
 
+    [Parameter()]
+    [switch] $UserAuth,
+
     # Captures any arguments not declared here (no parameter errors)
     # This enables backwards compatibility with old script versions in
     # hotfix branches if and when the dynamic subscription configuration
@@ -611,8 +614,17 @@ try {
         }
     }
 
+    if ($UserAuth) {
+        if ($TestApplicationId) {
+            Write-Warning "The specified TestApplicationId '$TestApplicationId' will be ignored when UserAuth is set."
+        }
+
+        $TestApplicationOid = (Get-AzADUser -UserPrincipalName (Get-AzContext).Account).Id
+        $TestApplicationId = $testApplicationOid
+        Log "User-based app id '$TestApplicationId' will be used."
+    }
     # If no test application ID was specified during an interactive session, create a new service principal.
-    if (!$CI -and !$TestApplicationId) {
+    elseif (!$CI -and !$TestApplicationId) {
         # Cache the created service principal in this session for frequent reuse.
         $servicePrincipal = if ($AzureTestPrincipal -and (Get-AzADServicePrincipal -ApplicationId $AzureTestPrincipal.AppId) -and $AzureTestSubscription -eq $SubscriptionId) {
             Log "TestApplicationId was not specified; loading cached service principal '$($AzureTestPrincipal.AppId)'"
@@ -1001,6 +1013,14 @@ The environment file will be named for the test resources template that it was
 generated for. For ARM templates, it will be test-resources.json.env. For
 Bicep templates, test-resources.bicep.env.
 
+.PARAMETER UserAuth
+Create the resource group and deploy the template using the signed in user's credentials.
+No service principal will be created or used.
+
+The environment file will be named for the test resources template that it was
+generated for. For ARM templates, it will be test-resources.json.env. For
+Bicep templates, test-resources.bicep.env.
+
 .PARAMETER SuppressVsoCommands
 By default, the -CI parameter will print out secrets to logs with Azure Pipelines log
 commands that cause them to be redacted. For CI environments that don't support this (like
diff --git a/eng/common/TestResources/New-TestResources.ps1.md b/eng/common/TestResources/New-TestResources.ps1.md
index a18e2e5b8..b09ba04df 100644
--- a/eng/common/TestResources/New-TestResources.ps1.md
+++ b/eng/common/TestResources/New-TestResources.ps1.md
@@ -15,21 +15,25 @@ Deploys live test resources defined for a service directory to Azure.
 ### Default (Default)
 ```
 New-TestResources.ps1 [-BaseName <String>] [-ResourceGroupName <String>] [-ServiceDirectory] <String>
- [-TestApplicationId <String>] [-TestApplicationSecret <String>] [-TestApplicationOid <String>]
- [-SubscriptionId <String>] [-DeleteAfterHours <Int32>] [-Location <String>] [-Environment <String>]
- [-ArmTemplateParameters <Hashtable>] [-AdditionalParameters <Hashtable>] [-EnvironmentVariables <Hashtable>]
- [-CI] [-Force] [-OutFile] [-SuppressVsoCommands] [-WhatIf] [-Confirm] [<CommonParameters>]
+ [-TestResourcesDirectory <String>] [-TestApplicationId <String>] [-TestApplicationSecret <String>]
+ [-TestApplicationOid <String>] [-SubscriptionId <String>] [-DeleteAfterHours <Int32>] [-Location <String>]
+ [-Environment <String>] [-ResourceType <String>] [-ArmTemplateParameters <Hashtable>]
+ [-AdditionalParameters <Hashtable>] [-EnvironmentVariables <Hashtable>] [-CI] [-Force] [-OutFile]
+ [-SuppressVsoCommands] [-UserAuth] [-NewTestResourcesRemainingArguments <Object>]
+ [-ProgressAction <ActionPreference>] [-WhatIf] [-Confirm] [<CommonParameters>]
 ```
 
 ### Provisioner
 ```
 New-TestResources.ps1 [-BaseName <String>] [-ResourceGroupName <String>] [-ServiceDirectory] <String>
- [-TestApplicationId <String>] [-TestApplicationSecret <String>] [-TestApplicationOid <String>]
- -TenantId <String> [-SubscriptionId <String>] -ProvisionerApplicationId <String>
+ [-TestResourcesDirectory <String>] [-TestApplicationId <String>] [-TestApplicationSecret <String>]
+ [-TestApplicationOid <String>] -TenantId <String> [-SubscriptionId <String>]
+ -ProvisionerApplicationId <String> [-ProvisionerApplicationOid <String>]
  -ProvisionerApplicationSecret <String> [-DeleteAfterHours <Int32>] [-Location <String>]
- [-Environment <String>] [-ArmTemplateParameters <Hashtable>] [-AdditionalParameters <Hashtable>]
- [-EnvironmentVariables <Hashtable>] [-CI] [-Force] [-OutFile] [-SuppressVsoCommands] [-WhatIf] [-Confirm]
- [<CommonParameters>]
+ [-Environment <String>] [-ResourceType <String>] [-ArmTemplateParameters <Hashtable>]
+ [-AdditionalParameters <Hashtable>] [-EnvironmentVariables <Hashtable>] [-CI] [-Force] [-OutFile]
+ [-SuppressVsoCommands] [-UserAuth] [-NewTestResourcesRemainingArguments <Object>]
+ [-ProgressAction <ActionPreference>] [-WhatIf] [-Confirm] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -206,8 +210,10 @@ Accept wildcard characters: False
 A directory under 'sdk' in the repository root - optionally with subdirectories
 specified - in which to discover ARM templates named 'test-resources.json' and
 Bicep templates named 'test-resources.bicep'.
-This can also be an absolute path
+This can be an absolute path
 or specify parent directories.
+ServiceDirectory is also used for resource and
+environment variable naming.
 
 ```yaml
 Type: String
@@ -221,6 +227,24 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -TestResourcesDirectory
+An override directory in which to discover ARM templates named 'test-resources.json' and
+Bicep templates named 'test-resources.bicep'.
+This can be an absolute path
+or specify parent directories.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -TestApplicationId
 Optional Azure Active Directory Application ID to authenticate the test runner
 against deployed resources.
@@ -376,6 +400,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -ProvisionerApplicationOid
+{{ Fill ProvisionerApplicationOid Description }}
+
+```yaml
+Type: String
+Parameter Sets: Provisioner
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -ProvisionerApplicationSecret
 A service principal secret (password) used to provision test resources when a
 provisioner is specified.
@@ -456,6 +495,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -ResourceType
+{{ Fill ResourceType Description }}
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: Test
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -ArmTemplateParameters
 Optional key-value pairs of parameters to pass to the ARM template(s).
 
@@ -560,7 +614,7 @@ Accept wildcard characters: False
 ### -SuppressVsoCommands
 By default, the -CI parameter will print out secrets to logs with Azure Pipelines log
 commands that cause them to be redacted.
-For CI environments that don't support this (like 
+For CI environments that don't support this (like
 stress test clusters), this flag can be set to $false to avoid printing out these secrets to the logs.
 
 ```yaml
@@ -575,6 +629,46 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -UserAuth
+Create the resource group and deploy the template using the signed in user's credentials.
+No service principal will be created or used.
+
+The environment file will be named for the test resources template that it was
+generated for.
+For ARM templates, it will be test-resources.json.env.
+For
+Bicep templates, test-resources.bicep.env.
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -NewTestResourcesRemainingArguments
+Captures any arguments not declared here (no parameter errors)
+This enables backwards compatibility with old script versions in
+hotfix branches if and when the dynamic subscription configuration
+secrets get updated to add new parameters.
+
+```yaml
+Type: Object
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -WhatIf
 Shows what would happen if the cmdlet runs.
 The cmdlet is not run.
@@ -606,6 +700,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -ProgressAction
+{{ Fill ProgressAction Description }}
+
+```yaml
+Type: ActionPreference
+Parameter Sets: (All)
+Aliases: proga
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).