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New-AzFirewallApplicationRule - An Item with the same key has already been added. Key: WINDOWSUPDATE #28257

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New-AzFirewallApplicationRule - An Item with the same key has already been added. Key: WINDOWSUPDATE#28257
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Network - FirewallService AttentionThis issue is responsible by Azure service team.bugThis issue requires a change to an existing behavior in the product in order to be resolved.
@Mal995

Description

@Mal995
Mal995
opened on Jul 23, 2025

Description

When using the New-AzFirewallApplicationRule and passing in the -FqdnTag parameter, it seems this request will query /Microsoft.Network/azureFirewallFqdnTags?api-version=2024-05-01 to return a list of accepted/provisioned FQDN Tags.

when doing so, the 'WINDOWSUPDATE' value is intermittently returned twice and I believe this is causing the error to be returned.
New-AzFirewallApplicationRule: An item with the same key has already been added. Key: WINDOWSUPDATE

Issue script & Debug output

PS C:\Users\**> $DebugPreference='continue'
PS C:\Users\**> New-AzFirewallApplicationRule -Name "randomname" -Description "Microsoft Active Protection Service (MAPS)" -SourceAddress "REMOVED" -FqdnTag "MicrosoftActiveProtectionService" -Debug
DEBUG: 09:21:06 - [ConfigManager] Got nothing from [DisplaySecretsWarning], Module = [], Cmdlet = []. Returning default value [True].
DEBUG: 09:21:06 - NewAzureFirewallApplicationRuleCommand begin processing with ParameterSet 'FqdnTag'.
DEBUG: 09:21:06 - using account id '**'...
DEBUG: 09:21:06 - [ConfigManager] Got nothing from [DisplayBreakingChangeWarning], Module = [Az.Network], Cmdlet = [New-AzFirewallApplicationRule]. Returning default value [True].
DEBUG: [Common.Authentication]: Authenticating using Account: '**', environment: '**', tenant: '**'
DEBUG: 09:21:06 - [ConfigManager] Got nothing from [DisableInstanceDiscovery], Module = [], Cmdlet = []. Returning default value [False].
DEBUG: 09:21:06 - [ConfigManager] Got [False] from [EnableLoginByWam], Module = [], Cmdlet = [].
DEBUG: 09:21:06 - [SilentAuthenticator] Calling SharedTokenCacheCredential.GetTokenAsync - TenantId:'**', Scopes:'https://management.core.windows.net//.default', AuthorityHost:'https://login.microsoftonline.com/', UserId:'**'
DEBUG: SharedTokenCacheCredential.GetToken invoked. Scopes: [ https://management.core.windows.net//.default ] ParentRequestId:
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z] [Internal cache] Clearing user token cache accessor.
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z] [Internal cache] Total number of cache partitions found while getting refresh tokens: 1
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - 9dd964aa-04af-4f9a-bbce-2e155fd8a25a] IsLegacyAdalCacheEnabled: yes
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - 9dd964aa-04af-4f9a-bbce-2e155fd8a25a] [Region discovery] Not using a regional authority.
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - 9dd964aa-04af-4f9a-bbce-2e155fd8a25a] [Region discovery] Not using a regional authority.
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - 9dd964aa-04af-4f9a-bbce-2e155fd8a25a] IsLegacyAdalCacheEnabled: yes
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - 9dd964aa-04af-4f9a-bbce-2e155fd8a25a] IsLegacyAdalCacheEnabled: yes
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z] Found 1 cache accounts and 0 broker accounts
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z] Returning 1 accounts
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] MSAL MSAL.CoreCLR with assembly version '4.65.0.0'. CorrelationId(fd957bbd-b839-43ad-b221-09f1e8882830)
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] === AcquireTokenSilent Parameters ===
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] LoginHint provided: False
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] Account provided: True
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] ForceRefresh: False
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830]
=== Request Data ===
Authority Provided? - True
Scopes - https://management.core.windows.net//.default
Extra Query Params Keys (space separated) -
ApiId - AcquireTokenSilent
IsConfidentialClient - False
SendX5C - False
LoginHint ? False
IsBrokerConfigured - False
HomeAccountId - False
CorrelationId - fd957bbd-b839-43ad-b221-09f1e8882830
UserAssertion set: False
LongRunningOboCacheKey set: False
Region configured:

DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] === Token Acquisition (SilentRequest) started:
         Scopes: https://management.core.windows.net//.default
        Authority Host: login.microsoftonline.com
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z] [Internal cache] Clearing user token cache accessor.
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] [Internal cache] Total number of cache partitions found while getting access tokens: 1
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] [FindAccessTokenAsync] Discovered 13 access tokens in cache using partition key: ed1a0f8c-0dad-48dc-a4f3-7ed8a2334abd.396b38cc-aa65-492b-bb0e-3d94ed25a97b
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] [Region discovery] Not using a regional authority.
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] Access token is not expired. Returning the found cache entry. [Current time (07/23/2025 08:21:06) - Expiration Time (07/23/2025 09:25:01 +00:00) - Extended Expiration Time (07/23/2025 09:25:01 +00:00)]
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] Returning access token found in cache. RefreshOn exists ? False
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] [Region discovery] Not using a regional authority.
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830]
        === Token Acquisition finished successfully:
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830]  AT expiration time: 23/07/2025 09:25:01 +00:00, scopes: https://management.core.windows.net//.default https://management.core.windows.net//user_impersonation. source: Cache
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830]
[LogMetricsFromAuthResult] Cache Refresh Reason: NotApplicable
[LogMetricsFromAuthResult] DurationInCacheInMs: 0
[LogMetricsFromAuthResult] DurationTotalInMs: 10
[LogMetricsFromAuthResult] DurationInHttpInMs: 0
DEBUG: False MSAL 4.65.0.0 MSAL.CoreCLR .NET 9.0.4 Microsoft Windows 10.0.19045 [2025-07-23 08:21:06Z - fd957bbd-b839-43ad-b221-09f1e8882830] TokenEndpoint: ****
DEBUG: SharedTokenCacheCredential.GetToken succeeded. Scopes: [ https://management.core.windows.net//.default ] ParentRequestId:  ExpiresOn: 2025-07-23T09:25:01.0000000+00:00
DEBUG: [Common.Authentication]: Received token with LoginType 'User', Tenant: '**', UserId: '**'
DEBUG: ============================ HTTP REQUEST ============================

HTTP Method:
GET

Absolute Uri:
https://management.azure.com/subscriptions/79afdb9b-71b9-4f2d-99e5-e2667fbf2d2f/providers/Microsoft.Network/azureFirewallFqdnTags?api-version=2024-05-01

Headers:
Accept-Language               : en-US
x-ms-client-request-id        : 24f02219-a7e9-4bbd-99b6-b11b7c34be8f

Body:



DEBUG: ============================ HTTP RESPONSE ============================

Status Code:
OK

Headers:
Date                          : Wed, 23 Jul 2025 08:21:06 GMT
Pragma                        : no-cache
X-Cache                       : CONFIG_NOCACHE
Connection                    : Keep-Alive
X-MSEdge-Ref                  : Ref A: 7B8FBD79EAF94FCF9AB2606B640922A3 Ref B: AMS231022012047 Ref C: 2025-07-23T08:21:06Z
Cache-Control                 : no-cache
x-ms-request-id               : 92e3d6ff-0a7f-4ac5-833e-9dc63607dae9
X-Content-Type-Options        : nosniff
x-ms-routing-request-id       : UKSOUTH:20250723T082107Z:7339ab2d-6961-46fe-9e24-87353ad72559
Strict-Transport-Security     : max-age=31536000; includeSubDomains
x-ms-operation-identifier     : **
x-ms-arm-service-request-id   : e17d53db-8dc1-48b8-b10b-530ce959bcea
x-ms-correlation-request-id   : 7339ab2d-6961-46fe-9e24-87353ad72559
x-ms-ratelimit-remaining-subscription-reads: 249
x-ms-ratelimit-remaining-subscription-global-reads: 3749

Body:
{
  "value": [
    {
      "name": "AppServiceEnvironment",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "AppServiceEnvironment"
      }
    },
    {
      "name": "AzureBackup",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "AzureBackup"
      }
    },
    {
      "name": "AzureKubernetesService",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "AzureKubernetesService"
      }
    },
    {
      "name": "HDInsight",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "HDInsight"
      }
    },
    {
      "name": "MicrosoftActiveProtectionService",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "MicrosoftActiveProtectionService"
      }
    },
    {
      "name": "MicrosoftIntune",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "MicrosoftIntune"
      }
    },
    {
      "name": "Windows365",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Windows365"
      }
    },
    {
      "name": "WindowsDiagnostics",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "WindowsDiagnostics"
      }
    },
    {
      "name": "WindowsUpdate",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "WindowsUpdate"
      }
    },
    {
      "name": "WindowsUpdate",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "WindowsUpdate"
      }
    },
    {
      "name": "WindowsVirtualDesktop",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "WindowsVirtualDesktop"
      }
    },
    {
      "name": "citrixHdxPlusForWindows365",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "citrixHdxPlusForWindows365"
      }
    },
    {
      "name": "Office365.Exchange.Optimize",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Exchange.Optimize"
      }
    },
    {
      "name": "Office365.Exchange.Default.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Exchange.Default.Required"
      }
    },
    {
      "name": "Office365.Exchange.Allow.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Exchange.Allow.Required"
      }
    },
    {
      "name": "Office365.Skype.Allow.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Skype.Allow.Required"
      }
    },
    {
      "name": "Office365.Skype.Default.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Skype.Default.Required"
      }
    },
    {
      "name": "Office365.Skype.Default.NotRequired",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Skype.Default.NotRequired"
      }
    },
    {
      "name": "Office365.SharePoint.Optimize",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.SharePoint.Optimize"
      }
    },
    {
      "name": "Office365.SharePoint.Default.NotRequired",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.SharePoint.Default.NotRequired"
      }
    },
    {
      "name": "Office365.SharePoint.Default.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.SharePoint.Default.Required"
      }
    },
    {
      "name": "Office365.Common.Allow.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Common.Allow.Required"
      }
    },
    {
      "name": "Office365.Common.Default.Required",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Common.Default.Required"
      }
    },
    {
      "name": "Office365.Common.Default.NotRequired",
      "id": "/subscriptions//resourceGroups//providers/Microsoft.Network/azureFirewallFqdnTags/",
      "type": "Microsoft.Network/azureFirewallFqdnTags",
      "properties": {
        "provisioningState": "Succeeded",
        "fqdnTagName": "Office365.Common.Default.NotRequired"
      }
    }
  ]
}


DEBUG: 09:21:07 - [ConfigManager] Got nothing from [EnableErrorRecordsPersistence], Module = [Az.Network], Cmdlet = [New-AzFirewallApplicationRule]. Returning default value [False].
New-AzFirewallApplicationRule: An item with the same key has already been added. Key: WINDOWSUPDATE
DEBUG: 09:21:07 - [ConfigManager] Got nothing from [DisplayBreakingChangeWarning], Module = [Az.Network], Cmdlet = [New-AzFirewallApplicationRule]. Returning default value [True].
DEBUG: 09:21:07 - [ConfigManager] Got nothing from [DisplayRegionIdentified], Module = [], Cmdlet = []. Returning default value [True].
DEBUG: 09:21:07 - [ConfigManager] Got nothing from [CheckForUpgrade], Module = [], Cmdlet = []. Returning default value [True].
DEBUG: 09:21:07 - No authentication telemetry is found for the current cmdlet with Id 24f02219-a7e9-4bbd-99b6-b11b7c34be8f.
DEBUG: AzureQoSEvent:  Module: Az.Network:7.16.1; CommandName: New-AzFirewallApplicationRule; PSVersion: 7.5.1; IsSuccess: False; Duration: 00:00:00.6846405; SanitizeDuration: 00:00:00; Exception: An item with the same key has already been added. Key: WINDOWSUPDATE;
DEBUG: 09:21:07 - [ConfigManager] Got nothing from [EnableDataCollection], Module = [], Cmdlet = []. Returning default value [True].
DEBUG: 09:21:07 - NewAzureFirewallApplicationRuleCommand end processing.

Environment data

$PSVersionTable

Name                           Value
----                           -----
PSVersion                      7.5.1
PSEdition                      Core
GitCommitId                    7.5.1
OS                             Microsoft Windows 10.0.19045
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Module versions

ModuleType Version    PreRelease Name                                ExportedCommands
---------- -------    ---------- ----                                ----------------
Script     4.2.0                 Az.Accounts                         {Add-AzEnvironment, Clear-AzConfig, Clear-AzConte…
Script     7.16.1                Az.Network                          {Add-AzApplicationGatewayAuthenticationCertificat…

Error output

Resolve-AzError
DEBUG: 09:30:15 - [ConfigManager] Got nothing from [DisplaySecretsWarning], Module = [], Cmdlet = []. Returning default value [True].
DEBUG: 09:30:15 - ResolveError begin processing with ParameterSet 'AnyErrorParameterSet'.
DEBUG: 09:30:15 - using account id '**'...
DEBUG: 09:30:15 - [ConfigManager] Got nothing from [DisplayBreakingChangeWarning], Module = [Az.Accounts], Cmdlet = [Resolve-AzError]. Returning default value [True].
DEBUG: 09:30:15 - [ConfigManager] Got nothing from [DisplaySecretsWarning], Module = [], Cmdlet = []. Returning default value [True].

   HistoryId: 6

Message        : An item with the same key has already been added. Key: WINDOWSUPDATE
StackTrace     :    at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior
                 behavior)
                    at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)
                    at Microsoft.Azure.Commands.Network.AzureFirewallFqdnTagHelper.<>c.<MapUserInputToAllowedFqdnTags>b
                 __0_0(Dictionary`2 userAcceptedVersions, PSAzureFirewallFqdnTag allowedFqdnTag)
                    at System.Linq.Enumerable.Aggregate[TSource,TAccumulate](IEnumerable`1 source, TAccumulate seed,
                 Func`3 func)
                    at Microsoft.Azure.Commands.Network.AzureFirewallFqdnTagHelper.MapUserInputToAllowedFqdnTags(IEnume
                 rable`1 userFqdnTags, IAzureFirewallFqdnTagsOperations azureFirewallFqdnTagClient)
                    at Microsoft.Azure.Commands.Network.NewAzureFirewallApplicationRuleCommand.Execute()
                    at Microsoft.Azure.Commands.Network.NetworkBaseCmdlet.ExecuteCmdlet()
                    at Microsoft.WindowsAzure.Commands.Utilities.Common.CmdletExtensions.<>c__3`1.<ExecuteSynchronously
                 OrAsJob>b__3_0(T c)
                    at
                 Microsoft.WindowsAzure.Commands.Utilities.Common.CmdletExtensions.ExecuteSynchronouslyOrAsJob[T](T
                 cmdlet, Action`1 executor)
                    at
                 Microsoft.WindowsAzure.Commands.Utilities.Common.CmdletExtensions.ExecuteSynchronouslyOrAsJob[T](T
                 cmdlet)
                    at Microsoft.WindowsAzure.Commands.Utilities.Common.AzurePSCmdlet.ProcessRecord()
Exception      : System.ArgumentException
InvocationInfo : {New-AzFirewallApplicationRule}
Line           : New-AzFirewallApplicationRule -Name "randomname" -Description "Microsoft Active Protection Service
                 (MAPS)" -SourceAddress "REMOVED" -FqdnTag "MicrosoftActiveProtectionService"
Position       : At line:1 char:1
                 + New-AzFirewallApplicationRule -Name "randomname" -Description "Mic …
                 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HistoryId      : 6

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