diff --git a/src/Microsoft.TestPlatform.ObjectModel/Architecture.cs b/src/Microsoft.TestPlatform.ObjectModel/Architecture.cs
index 6c9b9bcde5..f3d59e7ae4 100644
--- a/src/Microsoft.TestPlatform.ObjectModel/Architecture.cs
+++ b/src/Microsoft.TestPlatform.ObjectModel/Architecture.cs
@@ -11,5 +11,6 @@ public enum Architecture
     ARM,
     AnyCPU,
     ARM64,
-    S390x
+    S390x,
+    Ppc64le
 }
diff --git a/src/Microsoft.TestPlatform.ObjectModel/PublicAPI/PublicAPI.Shipped.txt b/src/Microsoft.TestPlatform.ObjectModel/PublicAPI/PublicAPI.Shipped.txt
index 9df7e09b00..5d69e70774 100644
--- a/src/Microsoft.TestPlatform.ObjectModel/PublicAPI/PublicAPI.Shipped.txt
+++ b/src/Microsoft.TestPlatform.ObjectModel/PublicAPI/PublicAPI.Shipped.txt
@@ -113,6 +113,7 @@ Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.ARM = 3 -> Microsof
 Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.ARM64 = 5 -> Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture
 Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.Default = 0 -> Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture
 Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.S390x = 6 -> Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture
+Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.Ppc64le = 7 -> Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture
 Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.X64 = 2 -> Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture
 Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture.X86 = 1 -> Microsoft.VisualStudio.TestPlatform.ObjectModel.Architecture
 Microsoft.VisualStudio.TestPlatform.ObjectModel.AttachmentSet
diff --git a/src/Microsoft.TestPlatform.PlatformAbstractions/Interfaces/System/PlatformArchitecture.cs b/src/Microsoft.TestPlatform.PlatformAbstractions/Interfaces/System/PlatformArchitecture.cs
index b1d477c7d3..907ec721dd 100644
--- a/src/Microsoft.TestPlatform.PlatformAbstractions/Interfaces/System/PlatformArchitecture.cs
+++ b/src/Microsoft.TestPlatform.PlatformAbstractions/Interfaces/System/PlatformArchitecture.cs
@@ -13,4 +13,5 @@ public enum PlatformArchitecture
     ARM,
     ARM64,
     S390x,
+    Ppc64le,
 }
diff --git a/src/Microsoft.TestPlatform.PlatformAbstractions/PublicAPI/PublicAPI.Shipped.txt b/src/Microsoft.TestPlatform.PlatformAbstractions/PublicAPI/PublicAPI.Shipped.txt
index 696ed76517..8f0f763f94 100644
--- a/src/Microsoft.TestPlatform.PlatformAbstractions/PublicAPI/PublicAPI.Shipped.txt
+++ b/src/Microsoft.TestPlatform.PlatformAbstractions/PublicAPI/PublicAPI.Shipped.txt
@@ -67,6 +67,7 @@ Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
 Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture.ARM = 2 -> Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
 Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture.ARM64 = 3 -> Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
 Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture.S390x = 4 -> Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
+Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture.Ppc64le = 5 -> Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
 Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture.X64 = 1 -> Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
 Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture.X86 = 0 -> Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformArchitecture
 Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.PlatformAssemblyExtensions
diff --git a/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/PlatformEnvironment.cs b/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/PlatformEnvironment.cs
index 10d4a61570..f2163db898 100644
--- a/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/PlatformEnvironment.cs
+++ b/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/PlatformEnvironment.cs
@@ -28,6 +28,7 @@ public PlatformArchitecture Architecture
                 // preview 6 or later, so use the numerical value for now.
                 // case System.Runtime.InteropServices.Architecture.S390x:
                 (Architecture)5 => PlatformArchitecture.S390x,
+                (Architecture)8 => PlatformArchitecture.Ppc64le,
                 _ => throw new NotSupportedException(),
             };
         }
diff --git a/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/ProcessHelper.cs b/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/ProcessHelper.cs
index 6cf4b0f91b..d2d048e355 100644
--- a/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/ProcessHelper.cs
+++ b/src/Microsoft.TestPlatform.PlatformAbstractions/netcore/System/ProcessHelper.cs
@@ -41,6 +41,7 @@ public PlatformArchitecture GetCurrentProcessArchitecture()
             // preview 6 or later, so use the numerical value for now.
             // case System.Runtime.InteropServices.Architecture.S390x:
             (Architecture)5 => PlatformArchitecture.S390x,
+            (Architecture)8 => PlatformArchitecture.Ppc64le,
             _ => throw new NotSupportedException(),
         };
     }
diff --git a/src/Microsoft.TestPlatform.TestHostProvider/Hosting/DefaultTestHostManager.cs b/src/Microsoft.TestPlatform.TestHostProvider/Hosting/DefaultTestHostManager.cs
index 2eca302b43..02001d23ab 100644
--- a/src/Microsoft.TestPlatform.TestHostProvider/Hosting/DefaultTestHostManager.cs
+++ b/src/Microsoft.TestPlatform.TestHostProvider/Hosting/DefaultTestHostManager.cs
@@ -274,6 +274,7 @@ private static string GetTestHostName(Architecture architecture, Framework targe
             PlatformArchitecture.ARM => Architecture.ARM,
             PlatformArchitecture.ARM64 => Architecture.ARM64,
             PlatformArchitecture.S390x => Architecture.S390x,
+            PlatformArchitecture.Ppc64le => Architecture.Ppc64le,
             _ => throw new NotSupportedException(),
         };
 
diff --git a/src/vstest.console/TestPlatformHelpers/TestRequestManager.cs b/src/vstest.console/TestPlatformHelpers/TestRequestManager.cs
index 642e36bb9e..25cca0ca07 100644
--- a/src/vstest.console/TestPlatformHelpers/TestRequestManager.cs
+++ b/src/vstest.console/TestPlatformHelpers/TestRequestManager.cs
@@ -841,6 +841,8 @@ static Architecture TranslateToArchitecture(PlatformArchitecture targetArchitect
                     return Architecture.ARM64;
                 case PlatformArchitecture.S390x:
                     return Architecture.S390x;
+                case PlatformArchitecture.Ppc64le:
+                    return Architecture.Ppc64le;
                 default:
                     EqtTrace.Error($"TestRequestManager.TranslateToArchitecture: Unhandled architecture '{targetArchitecture}'.");
                     break;
diff --git a/test/vstest.console.UnitTests/Processors/PlatformArgumentProcessorTests.cs b/test/vstest.console.UnitTests/Processors/PlatformArgumentProcessorTests.cs
index 207e4590fd..b452b48408 100644
--- a/test/vstest.console.UnitTests/Processors/PlatformArgumentProcessorTests.cs
+++ b/test/vstest.console.UnitTests/Processors/PlatformArgumentProcessorTests.cs
@@ -85,7 +85,7 @@ public void InitializeShouldThrowIfArgumentIsNotAnArchitecture()
     {
         ExceptionUtilities.ThrowsException<CommandLineException>(
             () => _executor.Initialize("foo"),
-            "Invalid platform type: {0}. Valid platform types are X86, X64, ARM, ARM64, S390x.",
+            "Invalid platform type: {0}. Valid platform types are X86, X64, ARM, ARM64, S390x, Ppc64le.",
             "foo");
     }
 
@@ -94,7 +94,7 @@ public void InitializeShouldThrowIfArgumentIsNotASupportedArchitecture()
     {
         ExceptionUtilities.ThrowsException<CommandLineException>(
             () => _executor.Initialize("AnyCPU"),
-            "Invalid platform type: {0}. Valid platform types are X86, X64, ARM, ARM64, S390x.",
+            "Invalid platform type: {0}. Valid platform types are X86, X64, ARM, ARM64, S390x, Ppc64le.",
             "AnyCPU");
     }