diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 1fac68b9691..6256a3bfd1d 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -20,7 +20,7 @@ variables:
 resources:
   containers:
   - container: LinuxContainer
-    image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-14.04-cross-0cd4667-20170319080304
+    image: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-7-20210714125435-9b5bbc2
 
 stages:
 - stage: build
diff --git a/global.json b/global.json
index a8e5ccf722a..877587a05e6 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "6.0.100"
+    "dotnet": "7.0.100-preview.2.22153.17"
   },
   "msbuild-sdks": {
     "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.22157.6",
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/dotnet-cli/DotNetCli.props b/src/Microsoft.DotNet.Helix/Sdk/tools/dotnet-cli/DotNetCli.props
index 3b59cef4ba3..2d881320123 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/dotnet-cli/DotNetCli.props
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/dotnet-cli/DotNetCli.props
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <IncludeDotNetCli Condition=" '$(IncludeDotNetCli)' != 'true' ">false</IncludeDotNetCli>
     <!-- TODO (https://github.com/dotnet/arcade/issues/7787): When bumping this, we should do #7787 -->
-    <AspNetCoreRuntimeVersion>6.0.0</AspNetCoreRuntimeVersion>
+    <AspNetCoreRuntimeVersion>7.0.0-preview.2.22153.2</AspNetCoreRuntimeVersion>
     <DotNetCliPackageType Condition=" '$(DotNetCliPackageType)' == '' ">runtime</DotNetCliPackageType>
     <DotNetCliVersion Condition=" '$(DotNetCliVersion)' == '' AND '$(DotNetCliPackageType)' == 'runtime' ">$(BundledNETCoreAppPackageVersion)</DotNetCliVersion>
     <!-- TODO (https://github.com/dotnet/arcade/issues/7022): We are hardcoding this version to use the one tied to the SDK version from global.json -->
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/XHarnessRunner.targets b/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/XHarnessRunner.targets
index 05eb88368d1..44bc81bbb9e 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/XHarnessRunner.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/XHarnessRunner.targets
@@ -1,12 +1,9 @@
 <Project>
   <PropertyGroup Condition=" '$(IncludeXHarnessCli)' == 'true' ">
-    <!-- We then invoke the CLI DLL directly using .NET runtime without the need for .NET SDK -->
     <IncludeDotNetCli>true</IncludeDotNetCli>
-    <IncludeXHarnessCli>true</IncludeXHarnessCli>
     <XHarnessTargetFramework Condition=" '$(XHarnessTargetFramework)' == '' ">net6.0</XHarnessTargetFramework>
-    <DotNetCliVersion Condition=" '$(DotNetCliVersion)' == '' ">6.0.100</DotNetCliVersion>
-    <DotNetCliPackageType Condition=" '$(DotNetCliPackageType)' != 'sdk' ">aspnetcore-runtime</DotNetCliPackageType>
-    <DotNetCliVersion Condition=" '$(DotNetCliVersion)' == '$(NETCoreSdkVersion)' AND '$(DotNetCliPackageType)' == 'aspnetcore-runtime' ">$(AspNetCoreRuntimeVersion)</DotNetCliVersion>
+    <DotNetCliVersion>6.0.100</DotNetCliVersion>
+    <DotNetCliPackageType>sdk</DotNetCliPackageType>
   </PropertyGroup>
 
   <Target Name="AddXHarnessCli"