diff --git a/scripts/obtain/dotnet-install.ps1 b/scripts/obtain/dotnet-install.ps1
index 1a35ec4fb..5bfd355eb 100644
--- a/scripts/obtain/dotnet-install.ps1
+++ b/scripts/obtain/dotnet-install.ps1
@@ -522,6 +522,7 @@ else {
     throw "Invalid value for `$Runtime"
 }
 
+#  Check if the SDK version is already installed.
 $isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $SpecificVersion
 if ($isAssetInstalled) {
     Say "$assetName version $SpecificVersion is already installed."
@@ -561,6 +562,12 @@ catch {
 Say "Extracting zip from $DownloadLink"
 Extract-Dotnet-Package -ZipPath $ZipPath -OutPath $InstallRoot
 
+#  Check if the SDK version is now installed; if not, fail the installation.
+$isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $SpecificVersion
+if (!$isAssetInstalled) {
+    throw "$assetName version $SpecificVersion failed to install with an unknown error."
+}
+
 Remove-Item $ZipPath
 
 Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot -BinFolderRelativePath $BinFolderRelativePath
diff --git a/scripts/obtain/dotnet-install.sh b/scripts/obtain/dotnet-install.sh
index 27443c397..588d32814 100755
--- a/scripts/obtain/dotnet-install.sh
+++ b/scripts/obtain/dotnet-install.sh
@@ -754,6 +754,7 @@ install_dotnet() {
         return 1
     fi
 
+    #  Check if the SDK version is already installed.
     if is_dotnet_package_installed "$install_root" "$asset_relative_path" "$specific_version"; then
         say "$asset_name version $specific_version is already installed."
         return 0
@@ -791,6 +792,12 @@ install_dotnet() {
     say "Extracting zip from $download_link"
     extract_dotnet_package "$zip_path" "$install_root"
 
+    #  Check if the SDK version is now installed; if not, fail the installation.
+    if ! is_dotnet_package_installed "$install_root" "$asset_relative_path" "$specific_version"; then
+        say_err "$asset_name version $specific_version failed to install with an unknown error."
+        return 1
+    fi
+
     return 0
 }