diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/setup_x64.bat b/conda_smithy/feedstock_content/ci_support/vs2008/setup_x64.bat
new file mode 100644
index 000000000..f1652c653
--- /dev/null
+++ b/conda_smithy/feedstock_content/ci_support/vs2008/setup_x64.bat
@@ -0,0 +1,16 @@
+regedit /s x64\VC_OBJECTS_PLATFORM_INFO.reg
+
+regedit /s x64\600dd186-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\600dd187-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\600dd188-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\600dd189-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d875f-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d8760-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d8763-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d8766-2429-11d7-8bf6-00b0d03daa06.reg
+
+copy "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\AMD64.VCPlatform.config" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\AMD64.VCPlatform.Express.config"
+copy "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\Itanium.VCPlatform.config" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\Itanium.VCPlatform.Express.config"
+
+md "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\amd64"
+copy "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\vcvars64.bat" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\amd64\vcvarsamd64.bat"
diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd186-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd186-2429-11d7-8bf6-00b0d03daa06.reg
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd187-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd187-2429-11d7-8bf6-00b0d03daa06.reg
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd188-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd188-2429-11d7-8bf6-00b0d03daa06.reg
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd189-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/600dd189-2429-11d7-8bf6-00b0d03daa06.reg
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d875f-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d875f-2429-11d7-8bf6-00b0d03daa06.reg
new file mode 100644
index 000000000..4e196d46f
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d8760-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d8760-2429-11d7-8bf6-00b0d03daa06.reg
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d8763-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d8763-2429-11d7-8bf6-00b0d03daa06.reg
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index 000000000..76ec9de54
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d8766-2429-11d7-8bf6-00b0d03daa06.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/656d8766-2429-11d7-8bf6-00b0d03daa06.reg
new file mode 100644
index 000000000..d945da4f4
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diff --git a/conda_smithy/feedstock_content/ci_support/vs2008/x64/VC_OBJECTS_PLATFORM_INFO.reg b/conda_smithy/feedstock_content/ci_support/vs2008/x64/VC_OBJECTS_PLATFORM_INFO.reg
new file mode 100644
index 000000000..b8282bb93
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diff --git a/conda_smithy/templates/appveyor.yml.tmpl b/conda_smithy/templates/appveyor.yml.tmpl
index 143de9b4e..12345e712 100644
--- a/conda_smithy/templates/appveyor.yml.tmpl
+++ b/conda_smithy/templates/appveyor.yml.tmpl
@@ -48,6 +48,9 @@ install:
         Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
           throw "There are newer queued builds for this pull request, failing early." }
 
+    # Install workaround 64-bit support for VS 2008.
+    - cmd: if "%TARGET_ARCH%" == "x64" if "%CONDA_PY%" == "27" call ci_support\vs2008\setup_x64.bat
+
     # Cywing's git breaks conda-build. (See https://github.com/conda-forge/conda-smithy-feedstock/pull/2.)
     - cmd: rmdir C:\cygwin /s /q
     - appveyor DownloadFile "https://raw.githubusercontent.com/pelson/Obvious-CI/master/bootstrap-obvious-ci-and-miniconda.py"