diff --git a/build/vsts-ci.yml b/build/vsts-ci.yml
index 9bfd811843..c42f17cf48 100644
--- a/build/vsts-ci.yml
+++ b/build/vsts-ci.yml
@@ -8,110 +8,110 @@ resources:
     image: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-7-mlnet-8bba86b-20190314145033
 
 phases:
-################################################################################
-- phase: Linux
-################################################################################
-  variables:
-    BuildConfig: Release
-    OfficialBuildId: $(BUILD.BUILDNUMBER)
-    DOTNET_CLI_TELEMETRY_OPTOUT: 1
-    DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-    DOTNET_MULTILEVEL_LOOKUP: 0
-  queue:
-    name: DotNet-Build
-    demands:
-    - agent.os -equals linux
-    container: CentosContainer
-  steps:
-  # Only build native assets to avoid conflicts.
-  - script: ./build.sh -buildNative -$(BuildConfig) -skipRIDAgnosticAssets
-    displayName: Build
+# ################################################################################
+# - phase: Linux
+# ################################################################################
+#   variables:
+#     BuildConfig: Release
+#     OfficialBuildId: $(BUILD.BUILDNUMBER)
+#     DOTNET_CLI_TELEMETRY_OPTOUT: 1
+#     DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+#     DOTNET_MULTILEVEL_LOOKUP: 0
+#   queue:
+#     name: DotNet-Build
+#     demands:
+#     - agent.os -equals linux
+#     container: CentosContainer
+#   steps:
+#   # Only build native assets to avoid conflicts.
+#   - script: ./build.sh -buildNative -$(BuildConfig) -skipRIDAgnosticAssets
+#     displayName: Build
 
-  - task: PublishBuildArtifacts@1
-    displayName: Publish Linux package assets
-    inputs:
-      pathToPublish: $(Build.SourcesDirectory)/bin/obj/packages
-      artifactName: PackageAssets
-      artifactType: container
+#   - task: PublishBuildArtifacts@1
+#     displayName: Publish Linux package assets
+#     inputs:
+#       pathToPublish: $(Build.SourcesDirectory)/bin/obj/packages
+#       artifactName: PackageAssets
+#       artifactType: container
 
-################################################################################
-- phase: MacOS
-################################################################################
-  variables:
-    BuildConfig: Release
-    OfficialBuildId: $(BUILD.BUILDNUMBER)
-    DOTNET_CLI_TELEMETRY_OPTOUT: 1
-    DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-    DOTNET_MULTILEVEL_LOOKUP: 0
-  queue:
-    name: DotNetCore-Build
-    demands:
-    - agent.os -equals Darwin
-  steps:
-  - script: brew update && brew install libomp && brew link libomp --force
-    displayName: Install build dependencies
-  # Only build native assets to avoid conflicts.
-  - script: ./build.sh -buildNative -$(BuildConfig) -skipRIDAgnosticAssets
-    displayName: Build
+# ################################################################################
+# - phase: MacOS
+# ################################################################################
+#   variables:
+#     BuildConfig: Release
+#     OfficialBuildId: $(BUILD.BUILDNUMBER)
+#     DOTNET_CLI_TELEMETRY_OPTOUT: 1
+#     DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+#     DOTNET_MULTILEVEL_LOOKUP: 0
+#   queue:
+#     name: DotNetCore-Build
+#     demands:
+#     - agent.os -equals Darwin
+#   steps:
+#   - script: brew update && brew install libomp && brew link libomp --force
+#     displayName: Install build dependencies
+#   # Only build native assets to avoid conflicts.
+#   - script: ./build.sh -buildNative -$(BuildConfig) -skipRIDAgnosticAssets
+#     displayName: Build
 
-  - task: PublishBuildArtifacts@1
-    displayName: Publish macOS package assets
-    inputs:
-      pathToPublish: $(Build.SourcesDirectory)/bin/obj/packages
-      artifactName: PackageAssets
-      artifactType: container
+#   - task: PublishBuildArtifacts@1
+#     displayName: Publish macOS package assets
+#     inputs:
+#       pathToPublish: $(Build.SourcesDirectory)/bin/obj/packages
+#       artifactName: PackageAssets
+#       artifactType: container
 
-################################################################################
-- phase: Windows_x86
-################################################################################
-  variables:
-    BuildConfig: Release
-    OfficialBuildId: $(BUILD.BUILDNUMBER)
-    DOTNET_CLI_TELEMETRY_OPTOUT: 1
-    DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-    DOTNET_MULTILEVEL_LOOKUP: 0
-    _SignType: real
-    _UseEsrpSigning: true
-    _TeamName: DotNetCore
-  queue:
-    name: DotNetCore-Build
-    demands: 
-      - agent.os -equals Windows_NT
-  steps:
+# ################################################################################
+# - phase: Windows_x86
+# ################################################################################
+#   variables:
+#     BuildConfig: Release
+#     OfficialBuildId: $(BUILD.BUILDNUMBER)
+#     DOTNET_CLI_TELEMETRY_OPTOUT: 1
+#     DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+#     DOTNET_MULTILEVEL_LOOKUP: 0
+#     _SignType: real
+#     _UseEsrpSigning: true
+#     _TeamName: DotNetCore
+#   queue:
+#     name: DotNetCore-Build
+#     demands: 
+#       - agent.os -equals Windows_NT
+#   steps:
 
-  - task: ms-vseng.MicroBuildTasks.30666190-6959-11e5-9f96-f56098202fef.MicroBuildSigningPlugin@1
-    displayName: Install MicroBuild Signing Plugin
-    inputs:
-      signType: '$(_SignType)'
-      zipSources: false
-      esrpSigning: '$(_UseEsrpSigning)'
-    env:
-      TeamName: $(_TeamName)
-    continueOnError: false
-    condition: and(succeeded(), in(variables._SignType, 'real', 'test'))
+#   - task: ms-vseng.MicroBuildTasks.30666190-6959-11e5-9f96-f56098202fef.MicroBuildSigningPlugin@1
+#     displayName: Install MicroBuild Signing Plugin
+#     inputs:
+#       signType: '$(_SignType)'
+#       zipSources: false
+#       esrpSigning: '$(_UseEsrpSigning)'
+#     env:
+#       TeamName: $(_TeamName)
+#     continueOnError: false
+#     condition: and(succeeded(), in(variables._SignType, 'real', 'test'))
 
-  # Only build native assets to avoid conflicts.
-  - script: ./build.cmd -buildNative -$(BuildConfig) -buildArch=x86 -skipRIDAgnosticAssets
-    displayName: Build
+#   # Only build native assets to avoid conflicts.
+#   - script: ./build.cmd -buildNative -$(BuildConfig) -buildArch=x86 -skipRIDAgnosticAssets
+#     displayName: Build
   
-  - task: MSBuild@1
-    displayName: Sign Windows_x86 Binaries
-    inputs:
-      solution: build/sign.proj
-      msbuildArguments: /p:SignType=$(_SignType)
-      msbuildVersion: 15.0
-    continueOnError: false
+#   - task: MSBuild@1
+#     displayName: Sign Windows_x86 Binaries
+#     inputs:
+#       solution: build/sign.proj
+#       msbuildArguments: /p:SignType=$(_SignType)
+#       msbuildVersion: 15.0
+#     continueOnError: false
 
-  - task: PublishBuildArtifacts@1
-    displayName: Publish Windows_x86 package assets
-    inputs:
-      pathToPublish: $(Build.SourcesDirectory)/bin/obj/packages
-      artifactName: PackageAssets
-      artifactType: container
+#   - task: PublishBuildArtifacts@1
+#     displayName: Publish Windows_x86 package assets
+#     inputs:
+#       pathToPublish: $(Build.SourcesDirectory)/bin/obj/packages
+#       artifactName: PackageAssets
+#       artifactType: container
 
-  # Terminate all dotnet build processes.
-  - script: $(Build.SourcesDirectory)/Tools/dotnetcli/dotnet.exe build-server shutdown
-    displayName: Dotnet Server Shutdown
+#   # Terminate all dotnet build processes.
+#   - script: $(Build.SourcesDirectory)/Tools/dotnetcli/dotnet.exe build-server shutdown
+#     displayName: Dotnet Server Shutdown
 
 ################################################################################
 - phase: Windows_x64