diff --git a/src/core-sdk-tasks/GenerateGuidFromName.cs b/src/core-sdk-tasks/GenerateGuidFromName.cs
index 05b6198d9..3ae08347b 100644
--- a/src/core-sdk-tasks/GenerateGuidFromName.cs
+++ b/src/core-sdk-tasks/GenerateGuidFromName.cs
@@ -23,6 +23,7 @@ namespace Microsoft.DotNet.Cli.Build
             return true;
         }
 
+        // Generate a Version 5 (SHA1 Name Based) Guid from a name.
         public static Guid GenerateGuid(string name)
         {
             // Any fixed GUID will do for a namespace.
diff --git a/src/redist/targets/GenerateMSIs.targets b/src/redist/targets/GenerateMSIs.targets
index 82ab2e2e3..0e26d135c 100644
--- a/src/redist/targets/GenerateMSIs.targets
+++ b/src/redist/targets/GenerateMSIs.targets
@@ -32,6 +32,7 @@
     <PropertyGroup>
       <SdkMSIInstallerFile>$(ArtifactsShippingPackagesDir)$(ArtifactNameWithVersionSdk)$(InstallerExtension)</SdkMSIInstallerFile>
       <CombinedFrameworkSdkHostMSIInstallerFile>$(ArtifactsShippingPackagesDir)$(ArtifactNameWithVersionCombinedHostHostFxrFrameworkSdk)$(BundleExtension)</CombinedFrameworkSdkHostMSIInstallerFile>
+      <SdkBundleInstallerOutputGuidString>$(ProductBandCombinedHostHostFxrFrameworkSdkName)</SdkBundleInstallerOutputGuidString>
 
       <!--<SdkDebianIntermediateDirectory>$(IntermediateOutputPath)debian/sdk/</SdkDebianIntermediateDirectory>
       <LayoutDirectory Condition=" '$(OSName)' == 'ubuntu' OR '$(OSName)' == 'debian' ">$(SdkDebianIntermediateDirectory)debianLayoutDirectory</LayoutDirectory>
@@ -66,7 +67,7 @@
           PropertyName="SdkInstallerUpgradeCode" />
     </GenerateGuidFromName>
 
-    <GenerateGuidFromName Name="$(CombinedFrameworkSdkHostMSIInstallerFile)">
+    <GenerateGuidFromName Name="$(SdkBundleInstallerOutputGuidString)">
       <Output TaskParameter="OutputGuid"
           PropertyName="CombinedFrameworkSDKHostInstallerUpgradeCode" />
     </GenerateGuidFromName>
@@ -144,6 +145,7 @@
                       '$(Architecture)' ^
                       '$(MicrosoftNETCoreAppPackageVersion)' ^
                       '$(AspNetCoreVersion)' ^
+                      '$(CliProductBandVersion)' ^
                       -InformationAction Continue " />
   </Target>
 
diff --git a/src/redist/targets/GetRuntimeInformation.targets b/src/redist/targets/GetRuntimeInformation.targets
index 183c6413d..ff9ee1781 100644
--- a/src/redist/targets/GetRuntimeInformation.targets
+++ b/src/redist/targets/GetRuntimeInformation.targets
@@ -47,8 +47,11 @@
       <ArtifactNameWithVersionSdk>$(ArtifactNameSdk)-$(SdkVersion)-$(ProductMonikerRid)</ArtifactNameWithVersionSdk>
       <ArtifactNameWithVersionMSBuildExtensions>dotnet-standard-support-vs2015-$(SdkVersion)-$(ProductMonikerRid)</ArtifactNameWithVersionMSBuildExtensions>
       <ArtifactNameWithVersionCombinedHostHostFxrFrameworkSdk>$(ArtifactNameCombinedHostHostFxrFrameworkSdk)-$(SdkVersion)-$(ProductMonikerRid)</ArtifactNameWithVersionCombinedHostHostFxrFrameworkSdk>
+      <!-- Warning: changing the value "ProductBandCombinedHostHostFxrFrameworkSdkName" can only occur on a product-band boundary [CliProductBandVersion], 
+               Changing "ProductBandCombinedHostHostFxrFrameworkSdkName" mid-product-band will break the upgradablilty of the SDK bundle installer. -->
+      <ProductBandCombinedHostHostFxrFrameworkSdkName>Dotnet SDK Bundle Installer $(CliProductBandVersion) $(ProductMonikerRid)</ProductBandCombinedHostHostFxrFrameworkSdkName>
       <DistroSpecificArtifactNameWithVersionCombinedHostHostFxrFrameworkSdkWithoutHostMonikerRid>$(ArtifactNameCombinedHostHostFxrFrameworkSdk)-$(SdkVersion)-</DistroSpecificArtifactNameWithVersionCombinedHostHostFxrFrameworkSdkWithoutHostMonikerRid>
       <DistroSpecificArtifactNameWithVersionCombinedHostHostFxrFrameworkSdk>$(DistroSpecificArtifactNameWithVersionCombinedHostHostFxrFrameworkSdkWithoutHostMonikerRid)$(HostMonikerRidForFileName)</DistroSpecificArtifactNameWithVersionCombinedHostHostFxrFrameworkSdk>
-    </PropertyGroup>  
+    </PropertyGroup>
   </Target>
 </Project>
diff --git a/src/redist/targets/Versions.targets b/src/redist/targets/Versions.targets
index 4160fbea5..4de284967 100644
--- a/src/redist/targets/Versions.targets
+++ b/src/redist/targets/Versions.targets
@@ -2,7 +2,8 @@
   <PropertyGroup>
     <VersionMajor>3</VersionMajor>
     <VersionMinor>0</VersionMinor>
-    <VersionPatch>100</VersionPatch>
+    <VersionSDKMinor>1</VersionSDKMinor>
+    <VersionPatch>00</VersionPatch>
     <ReleaseSuffix Condition=" '$(ReleaseSuffix)' == '' ">preview3</ReleaseSuffix>
   </PropertyGroup>
   
@@ -27,7 +28,8 @@
   <Target Name="SetSdkVersionInfo" DependsOnTargets="GetCoreSdkGitCommitInfo">
     <PropertyGroup>
       <MajorMinorVersion>$(VersionMajor).$(VersionMinor)</MajorMinorVersion>
-      <CliVersionNoSuffix>$(VersionMajor).$(VersionMinor).$(VersionPatch)</CliVersionNoSuffix>
+      <CliProductBandVersion>$(MajorMinorVersion).$(VersionSDKMinor)</CliProductBandVersion>
+      <CliVersionNoSuffix>$(CliProductBandVersion)$(VersionPatch)</CliVersionNoSuffix>
       <CliVersionPrefix>$(CliVersionNoSuffix)-$(ReleaseSuffix)</CliVersionPrefix>
       <CliBrandingVersion Condition=" '$(DropSuffix)' != 'true' ">$(CliVersionNoSuffix) - $(ReleaseSuffix)</CliBrandingVersion>
       <CliBrandingVersion Condition=" '$(DropSuffix)' == 'true' ">$(CliVersionNoSuffix)</CliBrandingVersion>
diff --git a/src/redist/targets/packaging/windows/clisdk/bundle.wxs b/src/redist/targets/packaging/windows/clisdk/bundle.wxs
index 8ce12580b..7af0a0ac6 100644
--- a/src/redist/targets/packaging/windows/clisdk/bundle.wxs
+++ b/src/redist/targets/packaging/windows/clisdk/bundle.wxs
@@ -10,10 +10,27 @@
           AboutUrl="https://dotnet.github.io/"
           Compressed="yes">
 
-    <bal:Condition Message="The installation path for x64 SDK installations: &quot;[DOTNETHOME_X64]&quot; cannot be the same as for x86 SDK installations: &quot;[DOTNETHOME_X64]&quot;">
+    <bal:Condition Message="The installation path for x64 SDK installations: &quot;[DOTNETHOME_X64]&quot; cannot be the same as for x86 SDK installations: &quot;[DOTNETHOME_X86]&quot;">
         WixBundleInstalled OR ((NOT (DOTNETHOME_X64 ~= DOTNETHOME_X86)) OR DOTNETHOMESIMILARITYCHECKOVERRIDE)
     </bal:Condition>
-      
+
+    <!-- ***** When the product-band version: "3.0.1xx" advances, remove this section ***** -->
+    <?if $(var.SDKProductBandVersion)=3.0.1?>
+      <?if $(var.Platform)~=x86?>
+        <!-- "Preview 1" 3.0.100-preview-009812-win-x86 upgrade-code -->
+        <RelatedBundle Action="Upgrade" Id="{489A47A1-5D69-51F1-3D54-3F8FE92E0963}"/>
+        <!-- "Preview 2" 3.0.100-preview-010184-win-x86 upgrade-code -->
+        <RelatedBundle Action="Upgrade" Id="{C1DD86C1-5FE4-573E-63FF-6BD0F23EBE69}"/>
+      <?endif?>
+      <?if $(var.Platform)~=x64?>
+        <!-- "Preview 1" 3.0.100-preview-009812-win-x64 upgrade-code -->
+        <RelatedBundle Action="Upgrade" Id="{18D28236-562F-73EB-340C-2B4B3A5347BB}"/>
+        <!-- "Preview 2" 3.0.100-preview-010184-win-x64 upgrade-code -->
+        <RelatedBundle Action="Upgrade" Id="{B47FC45A-5547-64E8-CFD1-B4C5CA275757}"/>
+      <?endif?>
+    <?endif?>
+    <!-- ********************************************************************************** -->
+
     <BootstrapperApplicationRef Id="WixStandardBootstrapperApplication.Foundation">
       <bal:WixStandardBootstrapperApplication
         LicenseFile="dummyeula.rtf"
@@ -80,7 +97,7 @@
               Path="[ProgramFiles64Folder]dotnet"/>
 
     <!-- 
-        When installing the SDK bundle to a custom location using the commandline parameters, it is intended that 
+        When installing the SDK bundle to a custom location using the commandline parameters, it is intended, not mandatory, that 
         both "DOTNETHOME_X86" and "DOTNETHOME_X64" should be used on the commandline and should take this convention:
             DOTNETHOME_X86=<InstallFolder>\x86
             DOTNETHOME_X64=<InstallFolder>\x64
@@ -91,7 +108,7 @@
     <Variable Name="DOTNETHOME_X64" Type="string" Value="[ProgramFiles64Folder]dotnet" bal:Overridable="yes" />
     <Variable Name="DOTNETHOME" Type="string" Value="[DOTNETHOME_$(var.PlatformToken)]" bal:Overridable="no" />
     <Variable Name="BUNDLEMONIKER" Type="string" Value="$(var.ProductMoniker)" bal:Overridable="no" />
-    <Variable Name="DOTNETSDKVERSION" Type="string" Value="$(var.DisplayVersion)" bal:Overridable="no" />
+    <Variable Name="DOTNETSDKVERSION" Type="string" Value="$(var.NugetVersion)" bal:Overridable="no" />
     <Variable Name="DOTNETRUNTIMEVERSION" Type="string" Value="$(var.DotNetRuntimeVersion)" bal:Overridable="no" />
     <Variable Name="ASPNETCOREVERSION" Type="string" Value="$(var.AspNetCoreVersion)" bal:Overridable="no" />
     <Variable Name="WINFORMSANDWPFVERSION" Type="string" Value="$(var.WinFormsAndWpfVersion)" bal:Overridable="no" />
diff --git a/src/redist/targets/packaging/windows/clisdk/generatebundle.ps1 b/src/redist/targets/packaging/windows/clisdk/generatebundle.ps1
index 0191be48a..8d9f313c9 100644
--- a/src/redist/targets/packaging/windows/clisdk/generatebundle.ps1
+++ b/src/redist/targets/packaging/windows/clisdk/generatebundle.ps1
@@ -18,7 +18,8 @@ param(
     [Parameter(Mandatory=$true)][string]$UpgradeCode,
     [Parameter(Mandatory=$true)][string]$Architecture,
     [Parameter(Mandatory=$true)][string]$DotNetRuntimeVersion,
-    [Parameter(Mandatory=$true)][string]$AspNetCoreVersion
+    [Parameter(Mandatory=$true)][string]$AspNetCoreVersion,
+    [Parameter(Mandatory=$true)][string]$SDKProductBandVersion
 )
 
 function RunCandleForBundle
@@ -35,6 +36,7 @@ function RunCandleForBundle
         -dProductMoniker="$ProductMoniker" `
         -dBuildVersion="$DotnetMSIVersion" `
         -dDisplayVersion="$DotnetCLIDisplayVersion" `
+        -dSDKProductBandVersion="$SDKProductBandVersion" `
         -dNugetVersion="$DotnetCLINugetVersion" `
         -dCLISDKMsiSourcePath="$CLISDKMSIFile" `
         -dUpgradeCode="$UpgradeCode" `