microsoft · thejsa · Oct 26, 2018 · Oct 26, 2018 · Oct 26, 2018 · Nov 16, 2018
diff --git a/dev_app.ps1 b/dev_app.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "SystemConfiguration.ps1";
 executeScript "FileExplorerSettings.ps1";

diff --git a/dev_app_desktop_.NET.ps1 b/dev_app_desktop_.NET.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "SystemConfiguration.ps1";
 executeScript "FileExplorerSettings.ps1";

diff --git a/dev_app_desktop_cplusplus.ps1 b/dev_app_desktop_cplusplus.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "SystemConfiguration.ps1";
 executeScript "FileExplorerSettings.ps1";

diff --git a/dev_ml_windows.ps1 b/dev_ml_windows.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "SystemConfiguration.ps1";
 executeScript "FileExplorerSettings.ps1";

diff --git a/dev_ml_wsl.ps1 b/dev_ml_wsl.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "SystemConfiguration.ps1";
 executeScript "FileExplorerSettings.ps1";

diff --git a/dev_web.ps1 b/dev_web.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "FileExplorerSettings.ps1";
 executeScript "SystemConfiguration.ps1";

diff --git a/dev_web_nodejs.ps1 b/dev_web_nodejs.ps1
@@ -21,6 +21,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "SystemConfiguration.ps1";
 executeScript "FileExplorerSettings.ps1";

diff --git a/devops_azure.ps1 b/devops_azure.ps1
@@ -22,6 +22,8 @@ function executeScript {
 	iex ((new-object net.webclient).DownloadString("$helperUri/$script"))
 }
 
+executeScript "CompatibilityChecks.ps1";
+
 #--- Setting up Windows ---
 executeScript "FileExplorerSettings.ps1";
 executeScript "SystemConfiguration.ps1";

diff --git a/scripts/CompatibilityChecks.ps1 b/scripts/CompatibilityChecks.ps1
@@ -0,0 +1,78 @@
+# Helper functions for compatibility checks
+
+# Returns $true if running a 64-bit OS.
+# TODO: checks for non-x86-based architectures, eg. ARM64
+function Is-64Bit
+{
+  return [Environment]::Is64BitOperatingSystem
+}
+
+# Returns $true if running on a server edition of Windows.
+function Is-Server
+{
+  return ((Get-WmiObject Win32_OperatingSystem).ProductType -gt 1)
+}
+
+# Returns $true if system has hardware virtualization enabled.
+function Is-Virtualization-Capable
+{
+  return (Get-WmiObject Win32_Processor).VirtualizationFirmwareEnabled
+}
+
+# Returns $true if system should be capable of Hyper-V virtualization.
+function Is-HyperV-Capable
+{
+  # Ensure we're running on a 64-bit operating system
+  if(-Not (Is-64Bit)) {
+    return $false
+  }
+
+  # Ensure hardware virtualization is available and enabled
+  if(-Not (Is-Virtualization-Capable)) {
+    return $false
+  }
+
+  # Ensure product SKU supports Hyper-V
+  # Source for SKU IDs: https://docs.microsoft.com/en-gb/windows/desktop/api/sysinfoapi/nf-sysinfoapi-getproductinfo
+  if((Get-WmiObject Win32_OperatingSystem).OperatingSystemSKU -NotIn 0x06, 0x10, 0x12, 0x50, 0x8, 0xC, 0x79, 0x7A, 0x04, 0x46, 0x48, 0x1B, 0x54, 0x7D, 0x81, 0x7E, 0x82, 0x0A, 0x0E, 0x2A, 0xA1, 0xA2, 0x30, 0x45, 0x31, 0x67, 0x18, 0x4F, 0x07, 0x0D, 0x01, 0x47, 0x1C)
+  {
+    return $false
+  }
+
+  $BuildVersion = [System.Environment]::OSVersion.Version
+
+  # Ensure that we're not running on XP
+  if($BuildVersion.Major -lt '6')
+  {
+    return $false
+  }
+
+  # Windows Server 2008/R2 and variants
+  if($BuildVersion.Major -eq '6' -and $BuildVersion.Minor -lt '2')
+  {
+    # Ensure we aren't running on a client edition
+    if(-Not (Is-Server)) {
+      return $false
+    }
+
+    return $true
+  }
+
+  # Windows 8/8.1 and Windows Server 2012/R2
+  if($BuildVersion.Major -ge '6' -and $BuildVersion.Minor -ge '2')
+  {
+    # Client Hyper-V requires SLAT
+    if(-Not (Is-Server)) {
+      return (Get-WmiObject Win32_Processor).SecondLevelAddressTranslationExtensions
+    }
+
+    return $true
+  }
+
+  # Windows 10 / Windows Server 2016 and later
+  if($BuildVersion.Major -ge '10')
+  {
+    # Ensure SLAT is supported
+    return (Get-WmiObject Win32_Processor).SecondLevelAddressTranslationExtensions
+  }
+}
diff --git a/scripts/Docker.ps1 b/scripts/Docker.ps1
@@ -1,4 +1,9 @@
-Enable-WindowsOptionalFeature -Online -FeatureName containers -All
-RefreshEnv
-choco install -y docker-for-windows
-choco install -y vscode-docker
+if(
+  (Is-HyperV-Capable) -and
+  # Windows 10 Anniversary Update or later
+  ((Get-WmiObject Win32_OperatingSystem).BuildNumber -ge 14393)) {
+  Enable-WindowsOptionalFeature -Online -FeatureName containers -All
+  RefreshEnv
+  choco install -y docker-for-windows
+  choco install -y vscode-docker
+}
diff --git a/scripts/HyperV.ps1 b/scripts/HyperV.ps1
@@ -1 +1,4 @@
-choco install -y Microsoft-Hyper-V-All --source="'windowsFeatures'"
+# Install Hyper-V
+if(Is-HyperV-Capable) {
+  choco install -y Microsoft-Hyper-V-All --source="'windowsFeatures'"
+}
diff --git a/scripts/RemoveDefaultApps.ps1 b/scripts/RemoveDefaultApps.ps1
@@ -59,6 +59,9 @@ $applicationList = @(
 	"*.AdobePhotoshopExpress"
 );
 
-foreach ($app in $applicationList) {
-    removeApp $app
-}
+# If on Windows 8 / Server 2012 or later...
+if([Environment]::OSVersion.Version -ge (New-Object 'Version' 6,2)) {
+	foreach ($app in $applicationList) {
+	    removeApp $app
+	}
+}
diff --git a/scripts/SystemConfiguration.ps1 b/scripts/SystemConfiguration.ps1
@@ -1,4 +1,5 @@
-
-
 #--- Enable developer mode on the system ---
-Set-ItemProperty -Path HKLM:\Software\Microsoft\Windows\CurrentVersion\AppModelUnlock -Name AllowDevelopmentWithoutDevLicense -Value 1
+# (if on Windows 8 / Server 2012 or later)
+if([Environment]::OSVersion.Version -ge (New-Object 'Version' 6,2)) {
+  Set-ItemProperty -Path HKLM:\Software\Microsoft\Windows\CurrentVersion\AppModelUnlock -Name AllowDevelopmentWithoutDevLicense -Value 1
+}
diff --git a/scripts/WSL.ps1 b/scripts/WSL.ps1
@@ -1,30 +1,39 @@
-choco install -y Microsoft-Windows-Subsystem-Linux --source="'windowsfeatures'"
+if (
+  (Is-64Bit) -and (
+    (
+      (
+        (-Not (Is-Server)) -and (Get-WmiObject Win32_OperatingSystem).BuildNumber -ge 14316
+      ) -or
+    (Get-WmiObject Win32_OperatingSystem).BuildNumber -ge 16299
+    )
+  ) {
+  choco install -y Microsoft-Windows-Subsystem-Linux --source="'windowsfeatures'"
 
-#--- Ubuntu ---
-# TODO: Move this to choco install once --root is included in that package
-Invoke-WebRequest -Uri https://aka.ms/wsl-ubuntu-1804 -OutFile ~/Ubuntu.appx -UseBasicParsing
-Add-AppxPackage -Path ~/Ubuntu.appx
-# run the distro once and have it install locally with root user, unset password
+  #--- Ubuntu ---
+  # TODO: Move this to choco install once --root is included in that package
+  Invoke-WebRequest -Uri https://aka.ms/wsl-ubuntu-1804 -OutFile ~/Ubuntu.appx -UseBasicParsing
+  Add-AppxPackage -Path ~/Ubuntu.appx
+  # run the distro once and have it install locally with root user, unset password
 
-RefreshEnv
-Ubuntu1804 install --root
-Ubuntu1804 run apt update
-Ubuntu1804 run apt upgrade -y
+  RefreshEnv
+  Ubuntu1804 install --root
+  Ubuntu1804 run apt update
+  Ubuntu1804 run apt upgrade -y
 
-<#
-NOTE: Other distros can be scripted the same way for example:
+  <#
+  NOTE: Other distros can be scripted the same way for example:
 
-#--- SLES ---
-# Install SLES Store app
-Invoke-WebRequest -Uri https://aka.ms/wsl-sles-12 -OutFile ~/SLES.appx -UseBasicParsing
-Add-AppxPackage -Path ~/SLES.appx
-# Launch SLES
-sles-12.exe
-
-# --- openSUSE ---
-Invoke-WebRequest -Uri https://aka.ms/wsl-opensuse-42 -OutFile ~/openSUSE.appx -UseBasicParsing
-Add-AppxPackage -Path ~/openSUSE.appx
-# Launch openSUSE
-opensuse-42.exe
-#>
+  #--- SLES ---
+  # Install SLES Store app
+  Invoke-WebRequest -Uri https://aka.ms/wsl-sles-12 -OutFile ~/SLES.appx -UseBasicParsing
+  Add-AppxPackage -Path ~/SLES.appx
+  # Launch SLES
+  sles-12.exe
 
+  # --- openSUSE ---
+  Invoke-WebRequest -Uri https://aka.ms/wsl-opensuse-42 -OutFile ~/openSUSE.appx -UseBasicParsing
+  Add-AppxPackage -Path ~/openSUSE.appx
+  # Launch openSUSE
+  opensuse-42.exe
+  #>
+}