Get-AzResourceGroup -Tag filter doesn't work with multiple tags

## Description

The "-Tag" filter for Get-AzResourceGroup doesn't work when multiple tags are in the Hashtable. When multiple tags are present, "Invalid tag format" error is returned.

## Steps to reproduce

```powershell

Get-AzResourceGroup -Tag @{ environmenttype = "UAT"; operator = "KittyHawk"; }

```

## Environment data

```
Name Value
---- -----
PSVersion 5.1.19041.1023
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.19041.1023
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
```

## Module versions

```powershell

ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Script 2.4.0 Az.Accounts {Disable-AzDataCollection, Disable-AzContextAutosave, Enable-AzDataCollection, Enable-AzContextAutosave...}
Script 1.1.1 Az.Advisor {Get-AzAdvisorRecommendation, Enable-AzAdvisorRecommendation, Disable-AzAdvisorRecommendation, Get-AzAdvisorConfiguration...}
Script 2.1.1 Az.Aks {Get-AzAksCluster, New-AzAksCluster, Remove-AzAksCluster, Import-AzAksCredential...}
Script 1.1.4 Az.AnalysisServices {Resume-AzAnalysisServicesServer, Suspend-AzAnalysisServicesServer, Get-AzAnalysisServicesServer, Remove-AzAnalysisServicesServer...}
Script 2.2.0 Az.ApiManagement {Add-AzApiManagementApiToGateway, Add-AzApiManagementApiToProduct, Add-AzApiManagementProductToGroup, Add-AzApiManagementRegion...}
Script 1.0.0 Az.AppConfiguration {Get-AzAppConfigurationStore, Get-AzAppConfigurationStoreKey, New-AzAppConfigurationStore, New-AzAppConfigurationStoreKey...}
Script 1.1.1 Az.ApplicationInsights {Get-AzApplicationInsights, New-AzApplicationInsights, Remove-AzApplicationInsights, Update-AzApplicationInsights...}
Script 1.7.0 Az.Automation {Get-AzAutomationHybridWorkerGroup, Remove-AzAutomationHybridWorkerGroup, Get-AzAutomationJobOutputRecord, Import-AzAutomationDscNodeConfiguration...}
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-AzConsumptionBudget...}
Script 1.7.1 Az.Cdn {Get-AzCdnProfile, Get-AzCdnProfileSsoUrl, New-AzCdnProfile, Remove-AzCdnProfile...}
Script 1.8.0 Az.CognitiveServices {Get-AzCognitiveServicesAccount, Get-AzCognitiveServicesAccountKey, Get-AzCognitiveServicesAccountSku, Get-AzCognitiveServicesAccountType...}
Script 4.14.0 Az.Compute {Remove-AzAvailabilitySet, Get-AzAvailabilitySet, New-AzAvailabilitySet, Update-AzAvailabilitySet...}
Script 2.1.0 Az.ContainerInstance {Add-AzContainerInstanceOutput, Get-AzContainerGroup, Get-AzContainerInstanceCachedImage, Get-AzContainerInstanceCapability...}
Script 2.2.3 Az.ContainerRegistry {New-AzContainerRegistry, Get-AzContainerRegistry, Update-AzContainerRegistry, Remove-AzContainerRegistry...}
Script 1.2.0 Az.CosmosDB {Get-AzCosmosDBSqlContainer, Get-AzCosmosDBSqlContainerThroughput, Get-AzCosmosDBSqlDatabase, Get-AzCosmosDBSqlDatabaseThroughput...}
Script 1.1.0 Az.DataBoxEdge {Get-AzDataBoxEdgeJob, Get-AzDataBoxEdgeDevice, Invoke-AzDataBoxEdgeDevice, New-AzDataBoxEdgeDevice...}
Script 1.1.0 Az.Databricks {Get-AzDatabricksVNetPeering, Get-AzDatabricksWorkspace, New-AzDatabricksVNetPeering, New-AzDatabricksWorkspace...}
Script 1.12.1 Az.DataFactory {Set-AzDataFactoryV2, Update-AzDataFactoryV2, Get-AzDataFactoryV2, Remove-AzDataFactoryV2...}
Script 1.0.2 Az.DataLakeAnalytics {Get-AzDataLakeAnalyticsDataSource, New-AzDataLakeAnalyticsCatalogCredential, Remove-AzDataLakeAnalyticsCatalogCredential, Set-AzDataLakeAnalyticsCatalogCredential...}
Script 1.3.0 Az.DataLakeStore {Get-AzDataLakeStoreTrustedIdProvider, Remove-AzDataLakeStoreTrustedIdProvider, Remove-AzDataLakeStoreFirewallRule, Set-AzDataLakeStoreTrustedIdProvider...}
Script 1.0.0 Az.DataShare {New-AzDataShareAccount, Get-AzDataShareAccount, Remove-AzDataShareAccount, New-AzDataShare...}
Script 1.1.0 Az.DeploymentManager {Get-AzDeploymentManagerArtifactSource, New-AzDeploymentManagerArtifactSource, Set-AzDeploymentManagerArtifactSource, Remove-AzDeploymentManagerArtifactSource...}
Script 3.0.0 Az.DesktopVirtualization {Disconnect-AzWvdUserSession, Expand-AzWvdMsixImage, Get-AzWvdApplication, Get-AzWvdApplicationGroup...}
Script 1.0.2 Az.DevTestLabs {Get-AzDtlAllowedVMSizesPolicy, Get-AzDtlAutoShutdownPolicy, Get-AzDtlAutoStartPolicy, Get-AzDtlVMsPerLabPolicy...}
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-AzEventGridTopicKey...}
Script 1.8.0 Az.EventHub {New-AzEventHubNamespace, Get-AzEventHubNamespace, Set-AzEventHubNamespace, Remove-AzEventHubNamespace...}
Script 1.8.0 Az.FrontDoor {New-AzFrontDoor, Get-AzFrontDoor, Set-AzFrontDoor, Remove-AzFrontDoor...}
Script 3.0.0 Az.Functions {Get-AzFunctionApp, Get-AzFunctionAppAvailableLocation, Get-AzFunctionAppPlan, Get-AzFunctionAppSetting...}
Script 4.3.0 Az.HDInsight {Get-AzHDInsightJob, New-AzHDInsightSqoopJobDefinition, Wait-AzHDInsightJob, New-AzHDInsightStreamingMapReduceJobDefinition...}
Script 1.3.1 Az.HealthcareApis {New-AzHealthcareApisService, Remove-AzHealthcareApisService, Set-AzHealthcareApisService, Get-AzHealthcareApisService}
Script 2.7.3 Az.IotHub {Add-AzIotHubKey, Get-AzIotHubEventHubConsumerGroup, Get-AzIotHubConnectionString, Get-AzIotHubJob...}
Script 3.4.5 Az.KeyVault {Add-AzKeyVaultCertificate, Update-AzKeyVaultCertificate, Stop-AzKeyVaultCertificateOperation, Get-AzKeyVaultCertificateOperation...}
Script 2.0.0 Az.Kusto {Add-AzKustoClusterLanguageExtension, Add-AzKustoDatabasePrincipal, Get-AzKustoAttachedDatabaseConfiguration, Get-AzKustoCluster...}
Script 1.5.0 Az.LogicApp {Get-AzIntegrationAccountAgreement, Get-AzIntegrationAccountAssembly, Get-AzIntegrationAccountBatchConfiguration, Get-AzIntegrationAccountCallbackUrl...}
Script 1.1.3 Az.MachineLearning {Move-AzMlCommitmentAssociation, Get-AzMlCommitmentAssociation, Get-AzMlCommitmentPlanUsageHistory, Remove-AzMlCommitmentPlan...}
Script 1.1.1 Az.Maintenance {Get-AzApplyUpdate, Get-AzConfigurationAssignment, Get-AzMaintenanceConfiguration, Get-AzMaintenanceUpdate...}
Script 2.0.0 Az.ManagedServices {Get-AzManagedServicesAssignment, New-AzManagedServicesAssignment, Remove-AzManagedServicesAssignment, Get-AzManagedServicesDefinition...}
Script 1.0.2 Az.MarketplaceOrdering {Get-AzMarketplaceTerms, Set-AzMarketplaceTerms}
Script 1.1.1 Az.Media {Sync-AzMediaServiceStorageKey, Set-AzMediaServiceKey, Get-AzMediaServiceKey, Get-AzMediaServiceNameAvailability...}
Script 1.0.2 Az.Migrate {Get-AzMigrateDiscoveredServer, Get-AzMigrateJob, Get-AzMigrateProject, Get-AzMigrateReplicationFabric...}
Script 2.5.0 Az.Monitor {Get-AzMetricDefinition, Get-AzMetric, Remove-AzLogProfile, Get-AzLogProfile...}
Script 4.9.0 Az.Network {Add-AzApplicationGatewayAuthenticationCertificate, Get-AzApplicationGatewayAuthenticationCertificate, New-AzApplicationGatewayAuthenticationCertificate, Remove-AzApplicationGatewayAuthenticationC...
Script 1.1.1 Az.NotificationHubs {Get-AzNotificationHub, Get-AzNotificationHubAuthorizationRule, Get-AzNotificationHubListKey, Get-AzNotificationHubPNSCredential...}
Script 2.3.0 Az.OperationalInsights {New-AzOperationalInsightsAzureActivityLogDataSource, New-AzOperationalInsightsCustomLogDataSource, Disable-AzOperationalInsightsLinuxCustomLogCollection, Disable-AzOperationalInsightsIISLogCollec...
Script 1.4.1 Az.PolicyInsights {Get-AzPolicyEvent, Get-AzPolicyState, Get-AzPolicyStateSummary, Get-AzPolicyRemediation...}
Script 1.1.2 Az.PowerBIEmbedded {Remove-AzPowerBIWorkspaceCollection, Get-AzPowerBIWorkspaceCollection, Get-AzPowerBIWorkspaceCollectionAccessKey, Get-AzPowerBIWorkspace...}
Script 1.0.3 Az.PrivateDns {Get-AzPrivateDnsZone, Remove-AzPrivateDnsZone, Set-AzPrivateDnsZone, New-AzPrivateDnsZone...}
Script 4.2.0 Az.RecoveryServices {Get-AzRecoveryServicesBackupProperty, Get-AzRecoveryServicesVault, Get-AzRecoveryServicesVaultSettingsFile, New-AzRecoveryServicesVault...}
Script 1.4.0 Az.RedisCache {Remove-AzRedisCachePatchSchedule, New-AzRedisCacheScheduleEntry, Get-AzRedisCachePatchSchedule, New-AzRedisCachePatchSchedule...}
Script 1.0.0 Az.RedisEnterpriseCache {Export-AzRedisEnterpriseCache, Get-AzRedisEnterpriseCache, Get-AzRedisEnterpriseCacheDatabase, Get-AzRedisEnterpriseCacheKey...}
Script 1.0.3 Az.Relay {New-AzRelayNamespace, Get-AzRelayNamespace, Set-AzRelayNamespace, Remove-AzRelayNamespace...}
Script 1.0.0 Az.ResourceMover {Add-AzResourceMoverMoveResource, Get-AzResourceMoverMoveCollection, Get-AzResourceMoverMoveResource, Get-AzResourceMoverRequiredForResources...}
Script 4.2.0 Az.Resources {Get-AzProviderOperation, Remove-AzRoleAssignment, Get-AzRoleAssignment, New-AzRoleAssignment...}
Script 1.0.0 Az.SecurityInsights {Get-AzSentinelAlertRuleAction, New-AzSentinelAlertRuleAction, Remove-AzSentinelAlertRuleAction, Update-AzSentinelAlertRuleAction...}
Script 1.5.0 Az.ServiceBus {New-AzServiceBusNamespace, Get-AzServiceBusNamespace, Set-AzServiceBusNamespace, Remove-AzServiceBusNamespace...}
Script 3.0.0 Az.ServiceFabric {Add-AzServiceFabricClientCertificate, Add-AzServiceFabricNode, Add-AzServiceFabricNodeType, Get-AzServiceFabricCluster...}
Script 1.3.0 Az.SignalR {New-AzSignalR, Get-AzSignalR, Get-AzSignalRKey, New-AzSignalRKey...}
Script 3.2.0 Az.Sql {Get-AzSqlDatabaseTransparentDataEncryption, Get-AzSqlDatabaseTransparentDataEncryptionActivity, Set-AzSqlDatabaseTransparentDataEncryption, Get-AzSqlDatabaseUpgradeHint...}
Script 1.1.0 Az.SqlVirtualMachine {New-AzSqlVM, Get-AzSqlVM, Update-AzSqlVM, Remove-AzSqlVM...}
Script 3.8.0 Az.Storage {Get-AzStorageAccount, Get-AzStorageAccountKey, New-AzStorageAccount, New-AzStorageAccountKey...}
Script 1.5.0 Az.StorageSync {Invoke-AzStorageSyncCompatibilityCheck, New-AzStorageSyncService, Get-AzStorageSyncService, Set-AzStorageSyncService...}
Script 2.0.0 Az.StreamAnalytics {Get-AzStreamAnalyticsCluster, Get-AzStreamAnalyticsClusterStreamingJob, Get-AzStreamAnalyticsDefaultFunctionDefinition, Get-AzStreamAnalyticsFunction...}
Script 1.0.0 Az.Support {Get-AzSupportService, Get-AzSupportProblemClassification, Get-AzSupportTicket, Get-AzSupportTicketCommunication...}
Script 1.0.4 Az.TrafficManager {Add-AzTrafficManagerCustomHeaderToEndpoint, Remove-AzTrafficManagerCustomHeaderFromEndpoint, Add-AzTrafficManagerCustomHeaderToProfile, Remove-AzTrafficManagerCustomHeaderFromProfile...}
Script 2.7.0 Az.Websites {Get-AzAppServicePlan, Set-AzAppServicePlan, New-AzAppServicePlan, Remove-AzAppServicePlan...}
Script 5.1.2 Azure {Get-AzureAutomationCertificate, Get-AzureAutomationConnection, New-AzureAutomationConnection, Remove-AzureAutomationConnection...}
Manifest 0.5.0 Azure.AnalysisServices {Add-AzureAnalysisServicesAccount, Restart-AzureAnalysisServicesInstance, Export-AzureAnalysisServicesInstanceLog, Sync-AzureAnalysisServicesInstance}
Script 4.2.1 Azure.Storage {Get-AzureStorageTable, New-AzureStorageTableSASToken, New-AzureStorageTableStoredAccessPolicy, New-AzureStorageTable...}
Script 5.7.0 AzureRM
Script 0.6.6 AzureRM.AnalysisServices {Resume-AzureRmAnalysisServicesServer, Suspend-AzureRmAnalysisServicesServer, Get-AzureRmAnalysisServicesServer, Remove-AzureRmAnalysisServicesServer...}
Script 5.1.2 AzureRM.ApiManagement {Add-AzureRmApiManagementRegion, Get-AzureRmApiManagementSsoToken, New-AzureRmApiManagementHostnameConfiguration, New-AzureRmApiManagementRegion...}
Script 0.1.3 AzureRM.ApplicationInsights {Get-AzureRmApplicationInsights, New-AzureRmApplicationInsights, Remove-AzureRmApplicationInsights, Set-AzureRmApplicationInsightsPricingPlan...}
Script 4.3.2 AzureRM.Automation {Get-AzureRMAutomationHybridWorkerGroup, Get-AzureRmAutomationJobOutputRecord, Import-AzureRmAutomationDscNodeConfiguration, Export-AzureRmAutomationDscConfiguration...}
Script 4.0.4 AzureRM.Backup {Backup-AzureRmBackupItem, Enable-AzureRmBackupContainerReregistration, Get-AzureRmBackupContainer, Register-AzureRmBackupContainer...}
Script 4.0.6 AzureRM.Batch {Remove-AzureRmBatchAccount, Get-AzureRmBatchAccount, Get-AzureRmBatchAccountKeys, New-AzureRmBatchAccount...}
Script 0.14.1 AzureRM.Billing {Get-AzureRmBillingInvoice, Get-AzureRmBillingPeriod, Get-AzureRmEnrollmentAccount}
Script 4.2.2 AzureRM.Cdn {Get-AzureRmCdnProfile, Get-AzureRmCdnProfileSsoUrl, New-AzureRmCdnProfile, Remove-AzureRmCdnProfile...}
Script 0.9.4 AzureRM.CognitiveServices {Get-AzureRmCognitiveServicesAccount, Get-AzureRmCognitiveServicesAccountKey, Get-AzureRmCognitiveServicesAccountSkus, Get-AzureRmCognitiveServicesAccountUsage...}
Script 4.6.0 AzureRM.Compute {Remove-AzureRmAvailabilitySet, Get-AzureRmAvailabilitySet, New-AzureRmAvailabilitySet, Update-AzureRmAvailabilitySet...}
Script 0.3.1 AzureRM.Consumption Get-AzureRmConsumptionUsageDetail
Script 0.2.5 AzureRM.ContainerInstance {New-AzureRmContainerGroup, Get-AzureRmContainerGroup, Remove-AzureRmContainerGroup, Get-AzureRmContainerInstanceLog}
Script 1.0.4 AzureRM.ContainerRegistry {New-AzureRmContainerRegistry, Get-AzureRmContainerRegistry, Update-AzureRmContainerRegistry, Remove-AzureRmContainerRegistry...}
Script 4.2.2 AzureRM.DataFactories {Remove-AzureRmDataFactory, Get-AzureRmDataFactoryRun, Get-AzureRmDataFactorySlice, Save-AzureRmDataFactoryLog...}
Script 0.5.3 AzureRM.DataFactoryV2 {Set-AzureRmDataFactoryV2, Update-AzureRmDataFactoryV2, Get-AzureRmDataFactoryV2, Remove-AzureRmDataFactoryV2...}
Script 4.2.3 AzureRM.DataLakeAnalytics {Get-AzureRmDataLakeAnalyticsDataSource, New-AzureRmDataLakeAnalyticsCatalogCredential, Remove-AzureRmDataLakeAnalyticsCatalogCredential, Remove-AzureRmDataLakeAnalyticsCatalogSecret...}
Script 5.2.0 AzureRM.DataLakeStore {Get-AzureRmDataLakeStoreTrustedIdProvider, Remove-AzureRmDataLakeStoreTrustedIdProvider, Remove-AzureRmDataLakeStoreFirewallRule, Set-AzureRmDataLakeStoreTrustedIdProvider...}
Script 4.0.4 AzureRM.DevTestLabs {Get-AzureRmDtlAllowedVMSizesPolicy, Get-AzureRmDtlAutoShutdownPolicy, Get-AzureRmDtlAutoStartPolicy, Get-AzureRmDtlVMsPerLabPolicy...}
Script 4.1.2 AzureRM.Dns {Get-AzureRmDnsRecordSet, New-AzureRmDnsRecordConfig, Remove-AzureRmDnsRecordSet, Set-AzureRmDnsRecordSet...}
Script 0.3.2 AzureRM.EventGrid {New-AzureRmEventGridTopic, Get-AzureRmEventGridTopic, Set-AzureRmEventGridTopic, New-AzureRmEventGridTopicKey...}
Script 0.6.3 AzureRM.EventHub {New-AzureRmEventHubNamespace, Get-AzureRmEventHubNamespace, Set-AzureRmEventHubNamespace, Remove-AzureRmEventHubNamespace...}
Script 4.1.2 AzureRM.HDInsight {Get-AzureRmHDInsightJob, New-AzureRmHDInsightSqoopJobDefinition, Wait-AzureRmHDInsightJob, New-AzureRmHDInsightStreamingMapReduceJobDefinition...}
Script 4.0.4 AzureRM.Insights {Get-AzureRmMetricDefinition, Get-AzureRmMetric, Remove-AzureRmLogProfile, Get-AzureRmLogProfile...}
Script 3.1.2 AzureRM.IotHub {Add-AzureRmIotHubKey, Get-AzureRmIotHubEventHubConsumerGroup, Get-AzureRmIotHubConnectionString, Get-AzureRmIotHubJob...}
Script 4.3.0 AzureRM.KeyVault {Add-AzureKeyVaultCertificate, Set-AzureKeyVaultCertificateAttribute, Stop-AzureKeyVaultCertificateOperation, Get-AzureKeyVaultCertificateOperation...}
Script 4.0.3 AzureRM.LogicApp {Get-AzureRmIntegrationAccountAgreement, Get-AzureRmIntegrationAccountCallbackUrl, Get-AzureRmIntegrationAccountCertificate, Get-AzureRmIntegrationAccount...}
Script 0.17.2 AzureRM.MachineLearning {Move-AzureRmMlCommitmentAssociation, Get-AzureRmMlCommitmentAssociation, Get-AzureRmMlCommitmentPlanUsageHistory, Remove-AzureRmMlCommitmentPlan...}
Script 0.4.2 AzureRM.MachineLearningCompute {Get-AzureRmMlOpCluster, Get-AzureRmMlOpClusterKey, Test-AzureRmMlOpClusterSystemServicesUpdateAvailability, Update-AzureRmMlOpClusterSystemService...}
Script 0.2.1 AzureRM.MarketplaceOrdering {Get-AzureRmMarketplaceTerms, Set-AzureRmMarketplaceTerms}
Script 0.9.2 AzureRM.Media {Sync-AzureRmMediaServiceStorageKeys, Set-AzureRmMediaServiceKey, Get-AzureRmMediaServiceKeys, Get-AzureRmMediaServiceNameAvailability...}
Script 5.4.2 AzureRM.Network {Add-AzureRmApplicationGatewayAuthenticationCertificate, Get-AzureRmApplicationGatewayAuthenticationCertificate, New-AzureRmApplicationGatewayAuthenticationCertificate, Remove-AzureRmApplicationGa...
Script 4.1.1 AzureRM.NotificationHubs {Get-AzureRmNotificationHub, Get-AzureRmNotificationHubAuthorizationRules, Get-AzureRmNotificationHubListKeys, Get-AzureRmNotificationHubPNSCredentials...}
Script 4.3.2 AzureRM.OperationalInsights {New-AzureRmOperationalInsightsAzureActivityLogDataSource, New-AzureRmOperationalInsightsCustomLogDataSource, Disable-AzureRmOperationalInsightsLinuxCustomLogCollection, Disable-AzureRmOperational...
Script 4.1.4 AzureRM.PowerBIEmbedded {Remove-AzureRmPowerBIWorkspaceCollection, Get-AzureRmPowerBIWorkspaceCollection, Get-AzureRmPowerBIWorkspaceCollectionAccessKeys, Get-AzureRmPowerBIWorkspace...}
Script 4.6.0 AzureRM.Profile {Disable-AzureRmDataCollection, Disable-AzureRmContextAutosave, Enable-AzureRmDataCollection, Enable-AzureRmContextAutosave...}
Script 4.1.2 AzureRM.RecoveryServices {Get-AzureRmRecoveryServicesBackupProperty, Get-AzureRmRecoveryServicesVault, Get-AzureRmRecoveryServicesVaultSettingsFile, New-AzureRmRecoveryServicesVault...}
Script 4.1.2 AzureRM.RecoveryServices.Backup {Backup-AzureRmRecoveryServicesBackupItem, Get-AzureRmRecoveryServicesBackupManagementServer, Get-AzureRmRecoveryServicesBackupContainer, Unregister-AzureRmRecoveryServicesBackupContainer...}
Script 0.2.4 AzureRM.RecoveryServices.SiteRec... {Edit-AzureRmRecoveryServicesAsrRecoveryPlan, Get-AzureRmRecoveryServicesAsrAlertSetting, Get-AzureRmRecoveryServicesAsrEvent, Get-AzureRmRecoveryServicesAsrFabric...}
Script 4.1.2 AzureRM.RedisCache {Remove-AzureRmRedisCachePatchSchedule, New-AzureRmRedisCacheScheduleEntry, Get-AzureRmRedisCachePatchSchedule, New-AzureRmRedisCachePatchSchedule...}
Script 0.3.3 AzureRM.Relay {New-AzureRmRelayNamespace, Get-AzureRmRelayNamespace, Set-AzureRmRelayNamespace, Remove-AzureRmRelayNamespace...}
Script 5.5.2 AzureRM.Resources {Get-AzureRmProviderOperation, Remove-AzureRmRoleAssignment, Get-AzureRmRoleAssignment, New-AzureRmRoleAssignment...}
Script 0.16.3 AzureRM.Scheduler {Disable-AzureRmSchedulerJobCollection, Enable-AzureRmSchedulerJobCollection, Get-AzureRmSchedulerJobCollection, Get-AzureRmSchedulerJob...}
Script 4.1.2 AzureRM.ServerManagement {Invoke-AzureRmServerManagementPowerShellCommand, Get-AzureRmServerManagementSession, New-AzureRmServerManagementSession, Remove-AzureRmServerManagementSession...}
Script 0.6.4 AzureRM.ServiceBus {New-AzureRmServiceBusNamespace, Get-AzureRmServiceBusNamespace, Set-AzureRmServiceBusNamespace, Remove-AzureRmServiceBusNamespace...}
Script 0.3.4 AzureRM.ServiceFabric {Add-AzureRmServiceFabricApplicationCertificate, Add-AzureRmServiceFabricClientCertificate, Add-AzureRmServiceFabricClusterCertificate, Add-AzureRmServiceFabricNode...}
Script 5.0.6 AzureRM.SiteRecovery {Get-AzureRmSiteRecoveryFabric, New-AzureRmSiteRecoveryFabric, Remove-AzureRmSiteRecoveryFabric, Stop-AzureRmSiteRecoveryJob...}
Script 4.4.0 AzureRM.Sql {Get-AzureRmSqlDatabaseTransparentDataEncryption, Get-AzureRmSqlDatabaseTransparentDataEncryptionActivity, Set-AzureRmSqlDatabaseTransparentDataEncryption, Get-AzureRmSqlDatabaseUpgradeHint...}
Script 4.2.3 AzureRM.Storage {Get-AzureRmStorageAccount, Get-AzureRmStorageAccountKey, New-AzureRmStorageAccount, New-AzureRmStorageAccountKey...}
Script 4.0.4 AzureRM.StreamAnalytics {Get-AzureRmStreamAnalyticsFunction, Get-AzureRmStreamAnalyticsDefaultFunctionDefinition, New-AzureRmStreamAnalyticsFunction, Remove-AzureRmStreamAnalyticsFunction...}
Script 4.0.1 AzureRM.Tags {Remove-AzureRmTag, Get-AzureRmTag, New-AzureRmTag}
Script 4.0.3 AzureRM.TrafficManager {Disable-AzureRmTrafficManagerEndpoint, Enable-AzureRmTrafficManagerEndpoint, Set-AzureRmTrafficManagerEndpoint, Get-AzureRmTrafficManagerEndpoint...}
Script 4.0.2 AzureRM.UsageAggregates Get-UsageAggregates
Script 4.2.2 AzureRM.Websites {Get-AzureRmAppServicePlan, Set-AzureRmAppServicePlan, New-AzureRmAppServicePlan, Remove-AzureRmAppServicePlan...}
Script 1.0.1 Microsoft.PowerShell.Operation.V... {Get-OperationValidation, Invoke-OperationValidation}
Binary 1.0.0.1 PackageManagement {Find-Package, Get-Package, Get-PackageProvider, Get-PackageSource...}
Script 3.4.0 Pester {Describe, Context, It, Should...}
Script 1.0.0.1 PowerShellGet {Install-Module, Find-Module, Save-Module, Update-Module...}
Script 2.0.0 PSReadline {Get-PSReadLineKeyHandler, Set-PSReadLineKeyHandler, Remove-PSReadLineKeyHandler, Get-PSReadLineOption...}

Directory: C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules

ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Manifest 1.0.0.0 AppBackgroundTask {Disable-AppBackgroundTaskDiagnosticLog, Enable-AppBackgroundTaskDiagnosticLog, Set-AppBackgroundTaskResourcePolicy, Unregister-AppBackgroundTask...}
Manifest 2.0.0.0 AppLocker {Get-AppLockerFileInformation, Get-AppLockerPolicy, New-AppLockerPolicy, Set-AppLockerPolicy...}
Manifest 1.0.0.0 AppvClient {Add-AppvClientConnectionGroup, Add-AppvClientPackage, Add-AppvPublishingServer, Disable-Appv...}
Manifest 2.0.1.0 Appx {Add-AppxPackage, Get-AppxPackage, Get-AppxPackageManifest, Remove-AppxPackage...}
Script 1.0.0.0 AssignedAccess {Clear-AssignedAccess, Get-AssignedAccess, Set-AssignedAccess}
Manifest 1.0.0.0 BitLocker {Unlock-BitLocker, Suspend-BitLocker, Resume-BitLocker, Remove-BitLockerKeyProtector...}
Manifest 2.0.0.0 BitsTransfer {Add-BitsFile, Complete-BitsTransfer, Get-BitsTransfer, Remove-BitsTransfer...}
Manifest 1.0.0.0 BranchCache {Add-BCDataCacheExtension, Clear-BCCache, Disable-BC, Disable-BCDowngrading...}
Manifest 1.0.0.0 CimCmdlets {Get-CimAssociatedInstance, Get-CimClass, Get-CimInstance, Get-CimSession...}
Manifest 1.0 ConfigCI {Get-SystemDriver, New-CIPolicyRule, New-CIPolicy, Get-CIPolicy...}
Manifest 1.0 ConfigDefender {Get-MpPreference, Set-MpPreference, Add-MpPreference, Remove-MpPreference...}
Manifest 1.0 Defender {Get-MpPreference, Set-MpPreference, Add-MpPreference, Remove-MpPreference...}
Manifest 1.0.2.0 DeliveryOptimization {Delete-DeliveryOptimizationCache, Set-DeliveryOptimizationStatus, Get-DeliveryOptimizationLog, Get-DeliveryOptimizationLogAnalysis...}
Manifest 1.0.0.0 DirectAccessClientComponents {Disable-DAManualEntryPointSelection, Enable-DAManualEntryPointSelection, Get-DAClientExperienceConfiguration, Get-DAEntryPointTableItem...}
Script 3.0 Dism {Add-AppxProvisionedPackage, Add-WindowsDriver, Add-WindowsCapability, Add-WindowsImage...}
Manifest 1.0.0.0 DnsClient {Resolve-DnsName, Clear-DnsClientCache, Get-DnsClient, Get-DnsClientCache...}
Manifest 1.0.0.0 EventTracingManagement {Start-EtwTraceSession, New-EtwTraceSession, Get-EtwTraceSession, Update-EtwTraceSession...}
Manifest 1.0.0.1 HostNetworkingService {Remove-HnsNamespace, Remove-HnsEndpoint, Get-HnsEndpoint, Remove-HnsPolicyList...}
Script 1.1.0.0 IISAdministration {Get-IISAppPool, Start-IISCommitDelay, Stop-IISCommitDelay, Get-IISSite...}
Manifest 2.0.0.0 International {Get-WinDefaultInputMethodOverride, Set-WinDefaultInputMethodOverride, Get-WinHomeLocation, Set-WinHomeLocation...}
Manifest 1.0.0.0 iSCSI {Get-IscsiTargetPortal, New-IscsiTargetPortal, Remove-IscsiTargetPortal, Update-IscsiTargetPortal...}
Script 1.0.0.0 ISE {New-IseSnippet, Import-IseSnippet, Get-IseSnippet}
Manifest 1.0.0.0 Kds {Add-KdsRootKey, Get-KdsRootKey, Test-KdsRootKey, Set-KdsConfiguration...}
Manifest 1.0.1.0 Microsoft.PowerShell.Archive {Compress-Archive, Expand-Archive}
Manifest 3.0.0.0 Microsoft.PowerShell.Diagnostics {Get-WinEvent, Get-Counter, Import-Counter, Export-Counter...}
Manifest 3.0.0.0 Microsoft.PowerShell.Host {Start-Transcript, Stop-Transcript}
Manifest 1.0.0.0 Microsoft.PowerShell.LocalAccounts {Add-LocalGroupMember, Disable-LocalUser, Enable-LocalUser, Get-LocalGroup...}
Manifest 3.1.0.0 Microsoft.PowerShell.Management {Add-Content, Clear-Content, Clear-ItemProperty, Join-Path...}
Script 1.0 Microsoft.PowerShell.ODataUtils Export-ODataEndpointProxy
Manifest 3.0.0.0 Microsoft.PowerShell.Security {Get-Acl, Set-Acl, Get-PfxCertificate, Get-Credential...}
Manifest 3.1.0.0 Microsoft.PowerShell.Utility {Format-List, Format-Custom, Format-Table, Format-Wide...}
Manifest 3.0.0.0 Microsoft.WSMan.Management {Disable-WSManCredSSP, Enable-WSManCredSSP, Get-WSManCredSSP, Set-WSManQuickConfig...}
Manifest 1.0 MMAgent {Disable-MMAgent, Enable-MMAgent, Set-MMAgent, Get-MMAgent...}
Manifest 1.0.0.0 MsDtc {New-DtcDiagnosticTransaction, Complete-DtcDiagnosticTransaction, Join-DtcDiagnosticResourceManager, Receive-DtcDiagnosticTransaction...}
Binary 1.0.0.0 MSMQ {Clear-MsmqOutgoingQueue, Clear-MsmqQueue, Enable-MsmqCertificate, Get-MsmqCertificate...}
Manifest 2.0.0.0 NetAdapter {Disable-NetAdapter, Disable-NetAdapterBinding, Disable-NetAdapterChecksumOffload, Disable-NetAdapterEncapsulatedPacketTaskOffload...}
Manifest 1.0.0.0 NetConnection {Get-NetConnectionProfile, Set-NetConnectionProfile}
Manifest 1.0.0.0 NetEventPacketCapture {New-NetEventSession, Remove-NetEventSession, Get-NetEventSession, Set-NetEventSession...}
Manifest 2.0.0.0 NetLbfo {Add-NetLbfoTeamMember, Add-NetLbfoTeamNic, Get-NetLbfoTeam, Get-NetLbfoTeamMember...}
Manifest 1.0.0.0 NetNat {Get-NetNat, Get-NetNatExternalAddress, Get-NetNatStaticMapping, Get-NetNatSession...}
Manifest 2.0.0.0 NetQos {Get-NetQosPolicy, Set-NetQosPolicy, Remove-NetQosPolicy, New-NetQosPolicy}
Manifest 2.0.0.0 NetSecurity {Get-DAPolicyChange, New-NetIPsecAuthProposal, New-NetIPsecMainModeCryptoProposal, New-NetIPsecQuickModeCryptoProposal...}
Manifest 1.0.0.0 NetSwitchTeam {New-NetSwitchTeam, Remove-NetSwitchTeam, Get-NetSwitchTeam, Rename-NetSwitchTeam...}
Manifest 1.0.0.0 NetTCPIP {Get-NetIPAddress, Get-NetIPInterface, Get-NetIPv4Protocol, Get-NetIPv6Protocol...}
Manifest 1.0.0.0 NetworkConnectivityStatus {Get-DAConnectionStatus, Get-NCSIPolicyConfiguration, Reset-NCSIPolicyConfiguration, Set-NCSIPolicyConfiguration}
Manifest 1.0.0.0 NetworkSwitchManager {Disable-NetworkSwitchEthernetPort, Enable-NetworkSwitchEthernetPort, Get-NetworkSwitchEthernetPort, Remove-NetworkSwitchEthernetPortIPAddress...}
Manifest 1.0.0.0 NetworkTransition {Add-NetIPHttpsCertBinding, Disable-NetDnsTransitionConfiguration, Disable-NetIPHttpsProfile, Disable-NetNatTransitionConfiguration...}
Manifest 1.0.0.0 PcsvDevice {Get-PcsvDevice, Start-PcsvDevice, Stop-PcsvDevice, Restart-PcsvDevice...}
Binary 1.0.0.0 PersistentMemory {Get-PmemDisk, Get-PmemPhysicalDevice, Get-PmemUnusedRegion, New-PmemDisk...}
Manifest 1.0.0.0 PKI {Add-CertificateEnrollmentPolicyServer, Export-Certificate, Export-PfxCertificate, Get-CertificateAutoEnrollmentPolicy...}
Manifest 1.0.0.0 PnpDevice {Get-PnpDevice, Get-PnpDeviceProperty, Enable-PnpDevice, Disable-PnpDevice}
Manifest 1.1 PrintManagement {Add-Printer, Add-PrinterDriver, Add-PrinterPort, Get-PrintConfiguration...}
Binary 1.0.12 ProcessMitigations {Get-ProcessMitigation, Set-ProcessMitigation, ConvertTo-ProcessMitigationPolicy}
Script 3.0 Provisioning {Install-ProvisioningPackage, Export-ProvisioningPackage, Install-TrustedProvisioningCertificate, Export-Trace...}
Manifest 1.1 PSDesiredStateConfiguration {Set-DscLocalConfigurationManager, Start-DscConfiguration, Test-DscConfiguration, Publish-DscConfiguration...}
Script 1.0.0.0 PSDiagnostics {Disable-PSTrace, Disable-PSWSManCombinedTrace, Disable-WSManTrace, Enable-PSTrace...}
Binary 1.1.0.0 PSScheduledJob {New-JobTrigger, Add-JobTrigger, Remove-JobTrigger, Get-JobTrigger...}
Manifest 2.0.0.0 PSWorkflow {New-PSWorkflowExecutionOption, New-PSWorkflowSession, nwsn}
Manifest 1.0.0.0 PSWorkflowUtility Invoke-AsWorkflow
Manifest 1.0.0.0 ScheduledTasks {Get-ScheduledTask, Set-ScheduledTask, Register-ScheduledTask, Unregister-ScheduledTask...}
Manifest 2.0.0.0 SecureBoot {Confirm-SecureBootUEFI, Set-SecureBootUEFI, Get-SecureBootUEFI, Format-SecureBootUEFI...}
Manifest 2.0.0.0 SmbShare {Get-SmbShare, Remove-SmbShare, Set-SmbShare, Block-SmbShareAccess...}
Manifest 2.0.0.0 SmbWitness {Get-SmbWitnessClient, Move-SmbWitnessClient, gsmbw, msmbw...}
Manifest 1.0.0.1 StartLayout {Export-StartLayout, Import-StartLayout, Export-StartLayoutEdgeAssets, Get-StartApps}
Manifest 2.0.0.0 Storage {Add-InitiatorIdToMaskingSet, Add-PartitionAccessPath, Add-PhysicalDisk, Add-StorageFaultDomain...}
Manifest 1.0.0.0 StorageBusCache {Clear-StorageBusDisk, Disable-StorageBusCache, Disable-StorageBusDisk, Enable-StorageBusCache...}
Manifest 2.0.0.0 TLS {New-TlsSessionTicketKey, Enable-TlsSessionTicketKey, Disable-TlsSessionTicketKey, Export-TlsSessionTicketKey...}
Manifest 1.0.0.0 TroubleshootingPack {Get-TroubleshootingPack, Invoke-TroubleshootingPack}
Manifest 2.0.0.0 TrustedPlatformModule {Get-Tpm, Initialize-Tpm, Clear-Tpm, Unblock-Tpm...}
Binary 2.1.639.0 UEV {Clear-UevConfiguration, Clear-UevAppxPackage, Restore-UevBackup, Set-UevTemplateProfile...}
Manifest 2.0.0.0 VpnClient {Add-VpnConnection, Set-VpnConnection, Remove-VpnConnection, Get-VpnConnection...}
Manifest 1.0.0.0 Wdac {Get-OdbcDriver, Set-OdbcDriver, Get-OdbcDsn, Add-OdbcDsn...}
Manifest 1.0.0.0 WebAdministration {Start-WebCommitDelay, Stop-WebCommitDelay, Get-WebConfigurationLock, Remove-WebConfigurationLock...}
Manifest 2.0.0.0 Whea {Get-WheaMemoryPolicy, Set-WheaMemoryPolicy}
Manifest 1.0.0.0 WindowsDeveloperLicense {Get-WindowsDeveloperLicense, Unregister-WindowsDeveloperLicense, Show-WindowsDeveloperLicenseRegistration}
Script 1.0 WindowsErrorReporting {Enable-WindowsErrorReporting, Disable-WindowsErrorReporting, Get-WindowsErrorReporting}
Manifest 1.0.0.0 WindowsSearch {Get-WindowsSearchSetting, Set-WindowsSearchSetting}
Manifest 1.0.0.0 WindowsUpdate Get-WindowsUpdateLog

Directory: C:\Program Files (x86)\Microsoft Azure Information Protection\Powershell

ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Binary 2.5.33.0 AzureInformationProtection {Clear-AIPAuthentication, Get-AIPFileStatus, New-AIPCustomPermissions, Export-AIPLogs...}

```

## Debug output

```
DEBUG: 15:37:05 - GetAzureResourceGroupCmdlet begin processing with ParameterSet 'GetByResourceGroupName'.
DEBUG: 15:37:05 - using account id OMITTED...
DEBUG: [Common.Authentication]: Authenticating using Account: OMITTED, environment: 'AzureCloud', tenant: OMITTED
DEBUG: 15:37:05 - [SilentAuthenticator] Calling SharedTokenCacheCredential.GetTokenAsync - TenantId:OMITTED, Scopes:'https://management.core.windows.net//.default', AuthorityHost:'https://login.microsoftonline.com/', UserId:OMITTED
DEBUG: SharedTokenCacheCredential.GetToken invoked. Scopes: [ https://management.core.windows.net//.default ] ParentRequestId:
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] Azure region was not configured or could not be discovered. Not using a regional authority.
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05] Found 1 cache accounts and 0 broker accounts
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05] Returning 1 accounts
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] MSAL MSAL.Desktop with assembly version '4.30.1.0'. CorrelationId(OMITTED)
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] === AcquireTokenSilent Parameters ===
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] LoginHint provided: False
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] Account provided: True
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] ForceRefresh: False
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ]
=== 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 - OMITTED

DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] === Token Acquisition (SilentRequest) started:

Authority Host: login.microsoftonline.com
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] Azure region was not configured or could not be discovered. Not using a regional authority.
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] Access token is not expired. Returning the found cache entry. [Current time (07/16/2021 14:37:05) - Expiration Time (07/16/2021 15:03:23 +00:00) - Extended Expiration Ti
me (07/16/2021 15:03:23 +00:00)]
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] Returning access token found in cache. RefreshOn exists ? False
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] Fetched access token from host login.microsoftonline.com.
DEBUG: (False) MSAL 4.30.1.0 MSAL.Desktop Windows 10 Enterprise [07/16/2021 14:37:05 - ] === Token Acquisition finished successfully. An access token was returned with Expiration Time: 07/16/2021 15:03:23 +00:00 and Scopes https://management.core.windows.net
//user_impersonation https://management.core.windows.net//.default
DEBUG: SharedTokenCacheCredential.GetToken succeeded. Scopes: [ https://management.core.windows.net//.default ] ParentRequestId: ExpiresOn: 2021-07-16T15:03:23.0000000+00:00
DEBUG: [Common.Authentication]: Received token with LoginType 'User', Tenant: OMITTED, UserId: OMITTED
Get-AzResourceGroup : Invalid tag format. Expect @{tagName = $null} or @{tagName = "tagValue"}
At line:1 char:1
+ Get-AzResourceGroup -Tag @{ environmenttype = "UAT"; operator = "Kitt ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : CloseError: (:) [Get-AzResourceGroup], ArgumentException
+ FullyQualifiedErrorId : Microsoft.Azure.Commands.ResourceManager.Cmdlets.Implementation.GetAzureResourceGroupCmdlet

DEBUG: AzureQoSEvent: CommandName - Get-AzResourceGroup; IsSuccess - False; Duration - 00:00:00.1239396; Exception - Invalid tag format. Expect @{tagName = $null} or @{tagName = "tagValue"};
DEBUG: Finish sending metric.
DEBUG: 15:37:06 - GetAzureResourceGroupCmdlet end processing.

```

## Error output

```

Message : Invalid tag format. Expect @{tagName = $null} or @{tagName = "tagValue"}
StackTrace : at Microsoft.Azure.Commands.ResourceManager.Cmdlets.Implementation.ResourceManagerCmdletBase.HandleException(ExceptionDispatchInfo capturedException)
at Microsoft.Azure.Commands.ResourceManager.Cmdlets.Implementation.ResourceManagerCmdletBase.ExecuteCmdlet()
at Microsoft.WindowsAzure.Commands.Utilities.Common.AzurePSCmdlet.ProcessRecord()
Exception : System.ArgumentException
InvocationInfo : {Get-AzResourceGroup}
Line : Get-AzResourceGroup -Tag @{ environmenttype = "UAT"; operator = "KittyHawk"; }
Position : At line:1 char:1
+ Get-AzResourceGroup -Tag @{ environmenttype = "UAT"; operator = "Kitt ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HistoryId : 28

```

Start by reproducing the issue with Get-AzResourceGroup -Tag and the multiple-entry Hashtable shown in the report, then trace the cmdlet's tag-filter handling. Done means the command accepts multiple tags without returning "Invalid tag format" and behaves correctly for the reported example.

Written by the indexing model from the issue text.