Update Az.6.0.0-migration-guide.md

Author: dingmeng-xue

documentation/migration-guides/Az.6.0.0-migration-guide.md

@@ -1,35 +1,45 @@
 # Migration Guide for Az 6.0.0
-- [Migration Guide for Az 6.0.0](#migration-guide-for-az-600)
-	- [Az.Accounts](#azaccounts)
-		- [`Connect-AzAccount`](#connect-azaccount)
-	- [Az.ContainerInstance](#azcontainerinstance)
-		- [`New-AzContainerGroup`](#new-azcontainergroup)
-		- [`Remove-AzContainerGroup`](#remove-azcontainergroup)
-		- [`Get-AzContainerGroup`](#get-azcontainergroup)
-		- [`Get-AzContainerInstanceLog`](#get-azcontainerinstancelog)
-	- [Az.DesktopVirtualization](#azdesktopvirtualization)
-		- [`New-AzWvdHostPool`](#new-azwvdhostpool)
-		- [`Expand-AzWvdMsixImage`](#expand-azwvdmsiximage)
-		- [`New-AzWvdMsixPackage`](#new-azwvdmsixpackage)
-		- [`Update-AzWvdHostPool`](#update-azwvdhostpool)
-	- [Az.StreamAnalytics](#azstreamanalytics)
-		- [`Get-AzStreamAnalyticsDefaultFunctionDefinition`](#get-azstreamanalyticsdefaultfunctiondefinition)
-		- [`New-AzStreamAnalyticsJob`](#new-azstreamanalyticsjob)
-		- [`New-AzStreamAnalyticsTransformation`](#new-azstreamanalyticstransformation)
-	- [Az.RecoveryServices](#azrecoveryservices)
-		- [`Set-AzRecoveryServicesBackupProperty`](#set-azrecoveryservicesbackupproperty)
-		- [`Get-AzRecoveryServicesBackupJobDetail`](#get-azrecoveryservicesbackupjobdetail)
-	- [Az.Storage](#azstorage)
-		- [`Remove-AzRmStorageShare`](#remove-azrmstorageshare)
-	- [Az.ServiceFabric](#azservicefabric)
-		- [`Add-AzServiceFabricClusterCertificate`](#add-azservicefabricclustercertificate)
-		- [`Get-AzServiceFabricManagedClusterService`](#get-azservicefabricmanagedclusterservice)
-		- [`New-AzServiceFabricManagedCluster`](#new-azservicefabricmanagedcluster)
-		- [`New-AzServiceFabricManagedClusterService`](#new-azservicefabricmanagedclusterservice)
-		- [`Remove-AzServiceFabricClusterCertificate`](#remove-azservicefabricclustercertificate)
-		- [`Remove-AzServiceFabricManagedClusterService`](#remove-azservicefabricmanagedclusterservice)
-		- [`Set-AzServiceFabricManagedCluster`](#set-azservicefabricmanagedcluster)
-		- [`Set-AzServiceFabricManagedClusterService`](#set-azservicefabricmanagedclusterservice)
+- [Supported versions of PowerShell](#supported-versions-of-powershell)
+- [Az.Accounts](#azaccounts)
+	- [`Connect-AzAccount`](#connect-azaccount)
+- [Az.ContainerInstance](#azcontainerinstance)
+	- [`New-AzContainerGroup`](#new-azcontainergroup)
+	- [`Remove-AzContainerGroup`](#remove-azcontainergroup)
+	- [`Get-AzContainerGroup`](#get-azcontainergroup)
+	- [`Get-AzContainerInstanceLog`](#get-azcontainerinstancelog)
+- [Az.DesktopVirtualization](#azdesktopvirtualization)
+	- [`New-AzWvdHostPool`](#new-azwvdhostpool)
+	- [`Expand-AzWvdMsixImage`](#expand-azwvdmsiximage)
+	- [`New-AzWvdMsixPackage`](#new-azwvdmsixpackage)
+	- [`Update-AzWvdHostPool`](#update-azwvdhostpool)
+- [Az.StreamAnalytics](#azstreamanalytics)
+	- [`Get-AzStreamAnalyticsDefaultFunctionDefinition`](#get-azstreamanalyticsdefaultfunctiondefinition)
+	- [`New-AzStreamAnalyticsJob`](#new-azstreamanalyticsjob)
+	- [`New-AzStreamAnalyticsTransformation`](#new-azstreamanalyticstransformation)
+- [Az.RecoveryServices](#azrecoveryservices)
+	- [`Set-AzRecoveryServicesBackupProperty`](#set-azrecoveryservicesbackupproperty)
+	- [`Get-AzRecoveryServicesBackupJobDetail`](#get-azrecoveryservicesbackupjobdetail)
+- [Az.Storage](#azstorage)
+	- [`Remove-AzRmStorageShare`](#remove-azrmstorageshare)
+- [Az.ServiceFabric](#azservicefabric)
+	- [`Add-AzServiceFabricClusterCertificate`](#add-azservicefabricclustercertificate)
+	- [`Get-AzServiceFabricManagedClusterService`](#get-azservicefabricmanagedclusterservice)
+	- [`New-AzServiceFabricManagedCluster`](#new-azservicefabricmanagedcluster)
+	- [`New-AzServiceFabricManagedClusterService`](#new-azservicefabricmanagedclusterservice)
+	- [`Remove-AzServiceFabricClusterCertificate`](#remove-azservicefabricclustercertificate)
+	- [`Remove-AzServiceFabricManagedClusterService`](#remove-azservicefabricmanagedclusterservice)
+	- [`Set-AzServiceFabricManagedCluster`](#set-azservicefabricmanagedcluster)
+	- [`Set-AzServiceFabricManagedClusterService`](#set-azservicefabricmanagedclusterservice)
+
+## Supported versions of PowerShell
+
+Due to [CVE-2021-26701](https://msrc.microsoft.com/update-guide/en-us/vulnerability/CVE-2021-26701) Az 6 is only supported on the following platforms:
+- PowerShell 7.1: version 7.1.3 or above
+- PowerShell 7.0: version 7.0.6 or above
+- Windows PowerShell 5.1 
+
+For further details, refer to the [Azure PowerShell support lifecycle](https://aka.ms/lifecycle)
+
 ## Az.Accounts
 
 ### `Connect-AzAccount`