Ipsec policys are not accepted with New-AzVpnConnection PfsGroup PFS14 is not available in powershell but is in the gui

## Description
Creating an virtual wan sit to site connection the ipsec policy is not working.
also the PfsGroup PFS14 is not available in powershell but is in the gui

## Steps to reproduce

$ipsecPolicy = New-AzIpsecPolicy -IkeEncryption AES256 -ikeintegrity SHA256 -DhGroup DHGroup14 -IpsecEncryption AES256 -IpsecIntegrity SHA256 -PfsGroup PFS24 -SALifeTimeSeconds 28800 -Verbose -debug
$vpnSiteLinkConnection = New-AzVpnSiteLinkConnection -Name $vpnsitename -VpnSiteLink $vpnSite.VpnSiteLinks[0] -ConnectionBandwidth "200" -SharedKey $Secure_String_Pwd -IpSecPolicy $ipsecPolicy -VpnConnectionProtocolType IKEv2 -EnableBgp -Verbose -debug

$vpnConnection=New-AzVpnConnection -ResourceGroupName $rgName -ParentResourceName $vpnGateway.Name -Name $vpnsitename -VpnSite $vpnSite -VpnSiteLinkConnection @($vpnSiteLinkConnection)

PS C:\Windows\system32> @($vpnSiteLinkConnection)

VpnSiteLink : Microsoft.Azure.Commands.Network.Models.PSVpnSiteLink
SharedKey :
VpnConnectionProtocolType :
ConnectionStatus :
EgressBytesTransferred :
IngressBytesTransferred :
IpsecPolicies :
ConnectionBandwidth : 100

## Environment data

PS C:\Windows\system32> $PSVersionTable

Name Value
---- -----
PSVersion 5.1.17763.2090
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.17763.2090
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1

```

## Module versions

Directory: C:\Program Files\WindowsPowerShell\Modules

ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Script 2.5.3 Az.Accounts {Disable-AzDataCollection, Disable-AzContextAutosave, Enable-AzDataCollection, Enable...
Script 2.2.8 Az.Accounts {Disable-AzDataCollection, Disable-AzContextAutosave, Enable-AzDataCollection, Enable...
Script 1.1.1 Az.Advisor {Get-AzAdvisorRecommendation, Enable-AzAdvisorRecommendation, Disable-AzAdvisorRecomm...
Script 2.0.2 Az.Aks {Get-AzAksCluster, New-AzAksCluster, Remove-AzAksCluster, Import-AzAksCredential...}
Script 1.1.4 Az.AnalysisServices {Resume-AzAnalysisServicesServer, Suspend-AzAnalysisServicesServer, Get-AzAnalysisSer...
Script 2.2.0 Az.ApiManagement {Add-AzApiManagementApiToGateway, Add-AzApiManagementApiToProduct, Add-AzApiManagemen...
Script 1.1.0 Az.ApplicationInsights {Get-AzApplicationInsights, New-AzApplicationInsights, Remove-AzApplicationInsights, ...
Script 3.1.0 Az.Batch {Remove-AzBatchAccount, Get-AzBatchAccount, Get-AzBatchAccountKey, New-AzBatchAccount...
Script 2.0.0 Az.Billing {Get-AzBillingInvoice, Get-AzBillingPeriod, Get-AzEnrollmentAccount, Get-AzConsumptio...
Script 1.6.0 Az.Cdn {Get-AzCdnProfile, Get-AzCdnProfileSsoUrl, New-AzCdnProfile, Remove-AzCdnProfile...}
Script 1.8.0 Az.CognitiveServices {Get-AzCognitiveServicesAccount, Get-AzCognitiveServicesAccountKey, Get-AzCognitiveSe...
Script 4.11.0 Az.Compute {Remove-AzAvailabilitySet, Get-AzAvailabilitySet, New-AzAvailabilitySet, Update-AzAva...
Script 4.10.0 Az.Compute {Remove-AzAvailabilitySet, Get-AzAvailabilitySet, New-AzAvailabilitySet, Update-AzAva...
Script 1.0.3 Az.ContainerInstance {New-AzContainerGroup, Get-AzContainerGroup, Remove-AzContainerGroup, Get-AzContainer...
Script 2.2.2 Az.ContainerRegistry {New-AzContainerRegistry, Get-AzContainerRegistry, Update-AzContainerRegistry, Remove...
Script 1.1.0 Az.DataBoxEdge {Get-AzDataBoxEdgeJob, Get-AzDataBoxEdgeDevice, Invoke-AzDataBoxEdgeDevice, New-AzDat...
Script 1.11.5 Az.DataFactory {Set-AzDataFactoryV2, Update-AzDataFactoryV2, Get-AzDataFactoryV2, Remove-AzDataFacto...
Script 1.0.2 Az.DataLakeAnalytics {Get-AzDataLakeAnalyticsDataSource, New-AzDataLakeAnalyticsCatalogCredential, Remove-...
Script 1.3.0 Az.DataLakeStore {Get-AzDataLakeStoreTrustedIdProvider, Remove-AzDataLakeStoreTrustedIdProvider, Remov...
Script 1.0.0 Az.DataShare {New-AzDataShareAccount, Get-AzDataShareAccount, Remove-AzDataShareAccount, New-AzDat...
Script 1.1.0 Az.DeploymentManager {Get-AzDeploymentManagerArtifactSource, New-AzDeploymentManagerArtifactSource, Set-Az...
Script 2.0.0 Az.DesktopVirtualization {Disconnect-AzWvdUserSession, Get-AzWvdApplication, Get-AzWvdApplicationGroup, Get-Az...
Script 1.0.2 Az.DevTestLabs {Get-AzDtlAllowedVMSizesPolicy, Get-AzDtlAutoShutdownPolicy, Get-AzDtlAutoStartPolicy...
Script 1.1.2 Az.Dns {Get-AzDnsRecordSet, New-AzDnsRecordConfig, Remove-AzDnsRecordSet, Set-AzDnsRecordSet...
Script 1.3.0 Az.EventGrid {New-AzEventGridTopic, Get-AzEventGridTopic, Set-AzEventGridTopic, New-AzEventGridTop...
Script 1.7.2 Az.EventHub {New-AzEventHubNamespace, Get-AzEventHubNamespace, Set-AzEventHubNamespace, Remove-Az...
Script 1.7.0 Az.FrontDoor {New-AzFrontDoor, Get-AzFrontDoor, Set-AzFrontDoor, Remove-AzFrontDoor...}
Script 2.0.0 Az.Functions {Get-AzFunctionApp, Get-AzFunctionAppAvailableLocation, Get-AzFunctionAppPlan, Get-Az...
Script 4.2.1 Az.HDInsight {Get-AzHDInsightJob, New-AzHDInsightSqoopJobDefinition, Wait-AzHDInsightJob, New-AzHD...
Script 1.2.0 Az.HealthcareApis {New-AzHealthcareApisService, Remove-AzHealthcareApisService, Set-AzHealthcareApisSer...
Script 2.7.2 Az.IotHub {Add-AzIotHubKey, Get-AzIotHubEventHubConsumerGroup, Get-AzIotHubConnectionString, Ge...
Script 3.4.0 Az.KeyVault {Add-AzKeyVaultCertificate, Update-AzKeyVaultCertificate, Stop-AzKeyVaultCertificateO...
Script 1.0.1 Az.Kusto {Add-AzKustoClusterLanguageExtension, Add-AzKustoDatabasePrincipal, Get-AzKustoAttach...
Script 1.5.0 Az.LogicApp {Get-AzIntegrationAccountAgreement, Get-AzIntegrationAccountAssembly, Get-AzIntegrati...
Script 1.1.3 Az.MachineLearning {Move-AzMlCommitmentAssociation, Get-AzMlCommitmentAssociation, Get-AzMlCommitmentPla...
Script 1.1.0 Az.Maintenance {Get-AzApplyUpdate, Get-AzConfigurationAssignment, Get-AzMaintenanceConfiguration, Ge...
Script 0.7.3 Az.ManagedServiceIdentity {New-AzUserAssignedIdentity, Get-AzUserAssignedIdentity, Remove-AzUserAssignedIdentity}
Script 2.0.0 Az.ManagedServices {Get-AzManagedServicesAssignment, New-AzManagedServicesAssignment, Remove-AzManagedSe...
Script 1.0.2 Az.MarketplaceOrdering {Get-AzMarketplaceTerms, Set-AzMarketplaceTerms}
Script 1.1.1 Az.Media {Sync-AzMediaServiceStorageKey, Set-AzMediaServiceKey, Get-AzMediaServiceKey, Get-AzM...
Script 2.4.0 Az.Monitor {Get-AzMetricDefinition, Get-AzMetric, Remove-AzLogProfile, Get-AzLogProfile...}
Script 4.11.0 Az.Network {Add-AzApplicationGatewayAuthenticationCertificate, Get-AzApplicationGatewayAuthentic...
Script 4.6.0 Az.Network {Add-AzApplicationGatewayAuthenticationCertificate, Get-AzApplicationGatewayAuthentic...
Script 1.1.1 Az.NotificationHubs {Get-AzNotificationHub, Get-AzNotificationHubAuthorizationRule, Get-AzNotificationHub...
Script 2.3.0 Az.OperationalInsights {New-AzOperationalInsightsAzureActivityLogDataSource, New-AzOperationalInsightsCustom...
Script 1.4.1 Az.PolicyInsights {Get-AzPolicyEvent, Get-AzPolicyState, Get-AzPolicyStateSummary, Get-AzPolicyRemediat...
Script 1.1.2 Az.PowerBIEmbedded {Remove-AzPowerBIWorkspaceCollection, Get-AzPowerBIWorkspaceCollection, Get-AzPowerBI...
Script 1.0.3 Az.PrivateDns {Get-AzPrivateDnsZone, Remove-AzPrivateDnsZone, Set-AzPrivateDnsZone, New-AzPrivateDn...
Script 3.4.1 Az.RecoveryServices {Get-AzRecoveryServicesBackupProperty, Get-AzRecoveryServicesVault, Get-AzRecoverySer...
Script 1.4.0 Az.RedisCache {Remove-AzRedisCachePatchSchedule, New-AzRedisCacheScheduleEntry, Get-AzRedisCachePat...
Script 1.0.3 Az.Relay {New-AzRelayNamespace, Get-AzRelayNamespace, Set-AzRelayNamespace, Remove-AzRelayName...
Script 3.3.0 Az.Resources {Get-AzProviderOperation, Remove-AzRoleAssignment, Get-AzRoleAssignment, New-AzRoleAs...
Script 1.4.1 Az.ServiceBus {New-AzServiceBusNamespace, Get-AzServiceBusNamespace, Set-AzServiceBusNamespace, Rem...
Script 2.2.2 Az.ServiceFabric {Add-AzServiceFabricClientCertificate, Add-AzServiceFabricClusterCertificate, Add-AzS...
Script 1.2.0 Az.SignalR {New-AzSignalR, Get-AzSignalR, Get-AzSignalRKey, New-AzSignalRKey...}
Script 2.16.0 Az.Sql {Get-AzSqlDatabaseTransparentDataEncryption, Get-AzSqlDatabaseTransparentDataEncrypti...
Script 1.1.0 Az.SqlVirtualMachine {New-AzSqlVM, Get-AzSqlVM, Update-AzSqlVM, Remove-AzSqlVM...}
Script 4.0.2 Az.Storage {Clear-AzRmStorageContainerLegalHold, Close-AzStorageFileHandle, Disable-AzStorageDel...
Script 1.4.0 Az.StorageSync {Invoke-AzStorageSyncCompatibilityCheck, New-AzStorageSyncService, Get-AzStorageSyncS...
Script 1.0.1 Az.StreamAnalytics {Get-AzStreamAnalyticsFunction, Get-AzStreamAnalyticsDefaultFunctionDefinition, New-A...
Script 1.0.0 Az.Support {Get-AzSupportService, Get-AzSupportProblemClassification, Get-AzSupportTicket, Get-A...
Script 0.1.1 Az.Tools.Installer {Install-AzModule, Uninstall-AzModule, Update-AzModule}
Script 1.0.4 Az.TrafficManager {Add-AzTrafficManagerCustomHeaderToEndpoint, Remove-AzTrafficManagerCustomHeaderFromE...
Script 2.4.0 Az.Websites {Get-AzAppServicePlan, Set-AzAppServicePlan, New-AzAppServicePlan, Remove-AzAppServic...
Script 5.3.0 Azure {Get-AzureAutomationCertificate, Get-AzureAutomationConnection, New-AzureAutomationCo...
Script 5.1.2 Azure {Get-AzureAutomationCertificate, Get-AzureAutomationConnection, New-AzureAutomationCo...
Binary 2.0.2.106 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Binary 2.0.2.52 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Binary 2.0.2.50 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Binary 2.0.2.16 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Binary 2.0.2.4 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Binary 2.0.0.155 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Binary 2.0.0.131 AzureAD {Add-AzureADApplicationOwner, Get-AzureADApplication, Get-AzureADApplicationExtension...
Script 5.8.3 AzureRM.profile {Disable-AzureRmDataCollection, Disable-AzureRmContextAutosave, Enable-AzureRmDataCol...
Script 0.0.6 Connectimo {Connect-WinAzure, Connect-WinAzureAD, Connect-WinConnectivity, Connect-WinExchange...}
Script 10.0 Convert-WindowsImage Convert-WindowsImage
Script 1.0.0.8 DockerMsftProvider
Script 3.0.1 IntuneBackupAndRestore {Invoke-IntuneBackupDeviceConfigurationAssignment, Invoke-IntuneRestoreConfigurationP...
Script 2.0.18 IntuneDocumentation {Invoke-ConditionalAccessDocumentation, Invoke-IntuneDocumentation, New-IntuneDocumen...
Binary 6.1907.1.0 Microsoft.Graph.Intune {New-AccessActionObject, New-ActivityHistoryItemObject, New-AlertHistoryStateObject, ...
Script 1.0.1 Microsoft.PowerShell.Operation.V... {Get-OperationValidation, Invoke-OperationValidation}
Binary 1.0.193... Microsoft.RDInfra.RDPowershell {Get-RdsContext, Set-RdsContext, Add-RdsAccount, Get-RdsTenant...}
Script 1.0.0.0 Microsoft.SME.CredSspPolicy
Script 2.5.0 MSGraphFunctions {Get-GraphGroupPolicyConfiguration, Get-GraphAzureADGroup, Get-GraphDeviceManagementI...
Manifest 1.1.183.57 MSOnline {Get-MsolDevice, Remove-MsolDevice, Enable-MsolDevice, Disable-MsolDevice...}
Script 0.0.4 MVP {Get-MVPConsiderationAnswer, Get-MVPConsiderationQuestion, Get-MVPContribution, Get-M...
Script 1.0.0 OpenSSL {New-PrivateKey, Get-PrivateKey, Convert-PrivateKey, Export-PublicKey...}
Script 1.4.6 PackageManagement {Find-Package, Get-Package, Get-PackageProvider, Get-PackageSource...}
Script 1.1.4.0 PackageManagement {Find-Package, Get-Package, Get-PackageProvider, Get-PackageSource...}
Binary 1.0.0.1 PackageManagement {Find-Package, Get-Package, Get-PackageProvider, Get-PackageSource...}
Script 3.4.0 Pester {Describe, Context, It, Should...}
Script 2.2.3 PowerShellGet {Find-Command, Find-DSCResource, Find-Module, Find-RoleCapability...}
Script 1.1.0 PSIntuneAuth {Get-MSIntuneAuthToken, Set-MSIntuneAdminConsent}
Script 2.0.0 PSReadline {Get-PSReadLineKeyHandler, Set-PSReadLineKeyHandler, Remove-PSReadLineKeyHandler, Get...
Script 0.0.178 PSSharedGoods {Add-WinADUserGroups, Find-ADConnectServer, Find-ExchangeServer, Find-HyperVServer...}
Binary 0.6 PSWord {Add-WordList, Add-WordPicture, Add-WordTable, Add-WordTableofContents...}
Script 0.87.2 PSWriteColor {Write-Color, Write-Colour}
Script 1.1.8 PSWriteWord {Get-WordBookmark, Set-WordBookmark, New-WordBlock, New-WordBlockList...}
Script 1.0.14 SpeculationControl Get-SpeculationControlSettings
Script 1.0.0 SpeculationControl Get-SpeculationControlSettings
Manifest 2.7 WindowsAutoPilotIntune {Import-AutoPilotCSV, Remove-AutoPilotImportedDevice, ConvertTo-AutoPilotConfiguratio...
Manifest 2.0 xHyper-V

```