diff --git a/src/Network/Network/Az.Network.psd1 b/src/Network/Network/Az.Network.psd1
index d6454afb5690..dcb3e166c21a 100644
--- a/src/Network/Network/Az.Network.psd1
+++ b/src/Network/Network/Az.Network.psd1
@@ -3,7 +3,7 @@
 #
 # Generated by: Microsoft Corporation
 #
-# Generated on: 2/24/2022
+# Generated on: 3/28/2022
 #
 
 @{
@@ -12,7 +12,7 @@
 # RootModule = ''
 
 # Version number of this module.
-ModuleVersion = '4.15.0'
+ModuleVersion = '4.15.1'
 
 # Supported PSEditions
 CompatiblePSEditions = 'Core', 'Desktop'
@@ -547,12 +547,13 @@ CmdletsToExport = 'Add-AzApplicationGatewayAuthenticationCertificate',
                'Update-AzVirtualNetworkGatewayNatRule', 
                'Remove-AzVirtualNetworkGatewayNatRule', 
                'Get-AzVirtualHubBgpConnection', 'New-AzVirtualHubBgpConnection', 
-               'Remove-AzVirtualHubBgpConnection',
-               'New-AzPrivateEndpointIpConfiguration',
+               'Remove-AzVirtualHubBgpConnection', 
+               'New-AzPrivateEndpointIpConfiguration', 
                'Update-AzVirtualHubBgpConnection', 'Get-AzNetworkManager', 
-               'New-AzNetworkManager', 'Remove-AzNetworkManager', 'Set-AzNetworkManager', 
-               'Get-AzNetworkManagerGroup', 'New-AzNetworkManagerGroup', 
-               'Remove-AzNetworkManagerGroup', 'Set-AzNetworkManagerGroup', 
+               'New-AzNetworkManager', 'Remove-AzNetworkManager', 
+               'Set-AzNetworkManager', 'Get-AzNetworkManagerGroup', 
+               'New-AzNetworkManagerGroup', 'Remove-AzNetworkManagerGroup', 
+               'Set-AzNetworkManagerGroup', 
                'Get-AzNetworkManagerConnectivityConfiguration', 
                'New-AzNetworkManagerConnectivityConfiguration', 
                'Remove-AzNetworkManagerConnectivityConfiguration', 
@@ -568,9 +569,9 @@ CmdletsToExport = 'Add-AzApplicationGatewayAuthenticationCertificate',
                'Get-AzNetworkManagerSecurityAdminRule', 
                'New-AzNetworkManagerSecurityAdminRule', 
                'Remove-AzNetworkManagerSecurityAdminRule', 
-               'Set-AzNetworkManagerSecurityAdminRule',
+               'Set-AzNetworkManagerSecurityAdminRule', 
                'Get-AzNetworkManagerActiveConnectivityConfigurationList', 
-               'Get-AzNetworkManagerActiveSecurityAdminRuleList',
+               'Get-AzNetworkManagerActiveSecurityAdminRuleList', 
                'Get-AzNetworkManagerEffectiveConnectivityConfigurationList', 
                'Get-AzNetworkManagerEffectiveSecurityAdminRuleList', 
                'Deploy-AzNetworkManagerCommit', 
@@ -579,22 +580,20 @@ CmdletsToExport = 'Add-AzApplicationGatewayAuthenticationCertificate',
                'Get-AzNetworkManagerDeploymentStatusList', 
                'New-AzNetworkManagerAddressPrefixItem', 
                'New-AzNetworkManagerScope', 
-               'New-AzNetworkManagerSecurityGroupItem', 
-               'New-AzNetworkManagerHub', 
-               'New-AzNetworkManagerConnectivityGroupItem',
-               'New-AzNetworkManagerStaticMember',
+               'New-AzNetworkManagerSecurityGroupItem', 'New-AzNetworkManagerHub', 
+               'New-AzNetworkManagerConnectivityGroupItem', 
+               'New-AzNetworkManagerStaticMember', 
                'Get-AzNetworkManagerStaticMember', 
-               'Remove-AzNetworkManagerStaticMember',
-               'Set-AzNetworkManagerStaticMember',
-               'New-AzNetworkManagerSubscriptionConnection',
+               'Remove-AzNetworkManagerStaticMember', 
+               'Set-AzNetworkManagerStaticMember', 
+               'New-AzNetworkManagerSubscriptionConnection', 
                'Get-AzNetworkManagerSubscriptionConnection', 
-               'Remove-AzNetworkManagerSubscriptionConnection',
-               'Set-AzNetworkManagerSubscriptionConnection',
-               'New-AzNetworkManagerScopeConnection',
+               'Remove-AzNetworkManagerSubscriptionConnection', 
+               'Set-AzNetworkManagerSubscriptionConnection', 
+               'New-AzNetworkManagerScopeConnection', 
                'Get-AzNetworkManagerScopeConnection', 
-               'Remove-AzNetworkManagerScopeConnection',
+               'Remove-AzNetworkManagerScopeConnection', 
                'Set-AzNetworkManagerScopeConnection'
-               
 
 # Variables to export from this module
 # VariablesToExport = @()
@@ -642,21 +641,65 @@ PrivateData = @{
         # IconUri = ''
 
         # ReleaseNotes of this module
-        ReleaseNotes = '* Added new property ''SqlSetting'' for Azure Firewall Policy cmdlets 
-    - ''Get-AzFirewallPolicy'' 
-    - ''New-AzFirewallPolicy''
-    - ''Set-AzFirewallPolicy''
-* Added new to create new ''SqlSetting'' object for creating Azure Firewall Policy
-    - ''New-AzFirewallPolicySqlSetting''
-* Added new cmdlet to support query Load Balancer inbound nat rule port mapping lists for backend addresses
-    - ''Get-AzLoadBalancerBackendAddressInboundNatRulePortMapping''
-    - Also updated cmdlets to support inbound nat rule V2 configurations
-        - ''New-AzLoadBalancerInboundNatRuleConfig''
-        - ''Set-AzLoadBalancerInboundNatRuleConfig''
-        - ''Add-AzLoadBalancerInboundNatRuleConfig'''
+        ReleaseNotes = '* Onboard Azure Virtual Network Manager Cmdlets for preview
+    - ''Get-AzNetworkManager'' 
+    - ''New-AzNetworkManager'' 
+    - ''Remove-AzNetworkManager''
+    - ''Set-AzNetworkManager'' 
+    - ''Get-AzNetworkManagerGroup'' 
+    - ''New-AzNetworkManagerGroup'' 
+    - ''Remove-AzNetworkManagerGroup'' 
+    - ''Set-AzNetworkManagerGroup'' 
+    - ''Get-AzNetworkManagerConnectivityConfiguration'' 
+    - ''New-AzNetworkManagerConnectivityConfiguration'' 
+    - ''Remove-AzNetworkManagerConnectivityConfiguration'' 
+    - ''Set-AzNetworkManagerConnectivityConfiguration'' 
+    - ''Get-AzNetworkManagerSecurityAdminConfiguration'' 
+    - ''New-AzNetworkManagerSecurityAdminConfiguration'' 
+    - ''Remove-AzNetworkManagerSecurityAdminConfiguration'' 
+    - ''Set-AzNetworkManagerSecurityAdminConfiguration'' 
+    - ''Get-AzNetworkManagerSecurityAdminRuleCollection'' 
+    - ''New-AzNetworkManagerSecurityAdminRuleCollection'' 
+    - ''Remove-AzNetworkManagerSecurityAdminRuleCollection'' 
+    - ''Set-AzNetworkManagerSecurityAdminRuleCollection'' 
+    - ''Get-AzNetworkManagerSecurityAdminRule'' 
+    - ''New-AzNetworkManagerSecurityAdminRule'' 
+    - ''Remove-AzNetworkManagerSecurityAdminRule'' 
+    - ''Set-AzNetworkManagerSecurityAdminRule'' 
+    - ''Get-AzNetworkManagerActiveConnectivityConfigurationList'' 
+    - ''Get-AzNetworkManagerActiveSecurityAdminRuleList'' 
+    - ''Get-AzNetworkManagerEffectiveConnectivityConfigurationList'' 
+    - ''Get-AzNetworkManagerEffectiveSecurityAdminRuleList'' 
+    - ''Get-AzNetworkManagerEffectiveSecurityAdminRuleList'' 
+    - ''Deploy-AzNetworkManagerCommit'' 
+    - ''Get-AzNetworkManagerEffectiveVirtualNetworkList'' 
+    - ''Get-AzNetworkManagerEffectiveVirtualNetworkByNetworkGroupList'' 
+    - ''Get-AzNetworkManagerDeploymentStatusList'' 
+    - ''New-AzNetworkManagerAddressPrefixItem'' 
+    - ''New-AzNetworkManagerScope'' 
+    - ''New-AzNetworkManagerSecurityGroupItem''
+    - ''New-AzNetworkManagerHub'' 
+    - ''New-AzNetworkManagerConnectivityGroupItem''
+    - ''Get-AzNetworkManagerStaticMember'' 
+    - ''New-AzNetworkManagerStaticMember'' 
+    - ''Remove-AzNetworkManagerStaticMember'' 
+    - ''Set-AzNetworkManagerStaticMember'' 
+    - ''Get-AzNetworkManagerScopeConnection'' 
+    - ''New-AzNetworkManagerScopeConnection'' 
+    - ''Remove-AzNetworkManagerScopeConnection'' 
+    - ''Set-AzNetworkManagerScopeConnection'' 
+    - ''Get-AzNetworkManagerSubscriptionConnection'' 
+    - ''New-AzNetworkManagerSubscriptionConnection'' 
+    - ''Remove-AzNetworkManagerSubscriptionConnection'' 
+    - ''Set-AzNetworkManagerSubscriptionConnection'' 
+* Added support for retreiving the state of packet capture even when the provisioning state of the packet capture was failure
+    - ''Get-AzNetworkWatcherPacketCapture''
+* Added support for accepting Vnet, Subnet and NIC resources as the TargetResourceId for the following cdmlets
+    - ''Set-AzNetworkWatcherFlowLog''
+    - ''New-AzNetworkWatcherFlowLog'''
 
         # Prerelease string of this module
-        # Prerelease = ''
+        Prerelease = 'preview'
 
         # Flag to indicate whether the module requires explicit user acceptance for install/update/save
         # RequireLicenseAcceptance = $false
@@ -675,3 +718,4 @@ PrivateData = @{
 # DefaultCommandPrefix = ''
 
 }
+
diff --git a/src/Network/Network/ChangeLog.md b/src/Network/Network/ChangeLog.md
index d3d2dbb01def..4175b42abae5 100644
--- a/src/Network/Network/ChangeLog.md
+++ b/src/Network/Network/ChangeLog.md
@@ -19,6 +19,8 @@
 --->
 
 ## Upcoming Release
+
+## Version 4.15.1-preview
 * Onboard Azure Virtual Network Manager Cmdlets for preview
     - `Get-AzNetworkManager` 
     - `New-AzNetworkManager` 
@@ -920,4 +922,4 @@
         - New-AzApplicationGatewaySslCertificate
         - Set-AzApplicationGatewaySslCertificate
     - New-AzApplicationGateway cmdlet updated with optional parameter -UserAssignedIdentityId, -UserAssignedIdentity
-* Add MaxCapacity property in ApplicationGatewayAutoscaleConfiguration
\ No newline at end of file
+* Add MaxCapacity property in ApplicationGatewayAutoscaleConfiguration
diff --git a/src/Network/Network/Properties/AssemblyInfo.cs b/src/Network/Network/Properties/AssemblyInfo.cs
index 18748984f0da..1f8ac34d3c79 100644
--- a/src/Network/Network/Properties/AssemblyInfo.cs
+++ b/src/Network/Network/Properties/AssemblyInfo.cs
@@ -25,8 +25,8 @@
 [assembly: ComVisible(false)]
 [assembly: CLSCompliant(false)]
 [assembly: Guid("be2ca022-590c-48ba-b465-9ab61d6e2ea0")]
-[assembly: AssemblyVersion("4.12.2")]
-[assembly: AssemblyFileVersion("4.12.2")]
+[assembly: AssemblyVersion("4.15.1")]
+[assembly: AssemblyFileVersion("4.15.1")]
 
 #if !SIGN
 [assembly: InternalsVisibleTo("Microsoft.Azure.PowerShell.Cmdlets.Network.Test")]
diff --git a/tools/Az/Az.psd1 b/tools/Az/Az.psd1
index 77cdd0137a9e..7d196d5a8092 100644
--- a/tools/Az/Az.psd1
+++ b/tools/Az/Az.psd1
@@ -98,7 +98,7 @@ RequiredModules = @(@{ModuleName = 'Az.Accounts'; ModuleVersion = '2.7.4'; },
                @{ModuleName = 'Az.Migrate'; RequiredVersion = '1.1.2'; }, 
                @{ModuleName = 'Az.Monitor'; RequiredVersion = '3.0.1'; }, 
                @{ModuleName = 'Az.MySql'; RequiredVersion = '1.0.0'; }, 
-               @{ModuleName = 'Az.Network'; RequiredVersion = '4.15.0'; }, 
+            #    @{ModuleName = 'Az.Network'; RequiredVersion = '4.15.1'; }, 
                @{ModuleName = 'Az.NotificationHubs'; RequiredVersion = '1.1.1'; }, 
                @{ModuleName = 'Az.OperationalInsights'; RequiredVersion = '3.0.1'; }, 
                @{ModuleName = 'Az.PolicyInsights'; RequiredVersion = '1.5.0'; },