diff --git a/src/EventStore.ClusterNode/Program.cs b/src/EventStore.ClusterNode/Program.cs
index a216b359f0..695c0c7c3a 100644
--- a/src/EventStore.ClusterNode/Program.cs
+++ b/src/EventStore.ClusterNode/Program.cs
@@ -49,6 +49,12 @@ public static async Task<int> Main(string[] args)
 		Log.Logger = EventStoreLoggerConfiguration.ConsoleLog;
 		try
 		{
+			if (!Environment.Is64BitProcess)
+			{
+				Log.Fatal("A 64-bit process is required to run the server.");
+				return 1;
+			}
+
 			var options = ClusterVNodeOptions.FromConfiguration(configuration);
 
 			var logsDirectory = string.IsNullOrWhiteSpace(options.Logging.Log)
diff --git a/src/EventStore.Core.Tests/ProcessArchitectureTests.cs b/src/EventStore.Core.Tests/ProcessArchitectureTests.cs
new file mode 100644
index 0000000000..3e5cae5dd4
--- /dev/null
+++ b/src/EventStore.Core.Tests/ProcessArchitectureTests.cs
@@ -0,0 +1,14 @@
+using System;
+using NUnit.Framework;
+
+namespace EventStore.Core.Tests;
+
+[TestFixture]
+public class ProcessArchitectureTests
+{
+	[Test]
+	public void server_requires_64_bit_process()
+	{
+		Assert.That(Environment.Is64BitProcess, Is.True);
+	}
+}
diff --git a/src/EventStore.Core.Tests/VerifyIntPtrSize.cs b/src/EventStore.Core.Tests/VerifyIntPtrSize.cs
deleted file mode 100644
index 353da84fdf..0000000000
--- a/src/EventStore.Core.Tests/VerifyIntPtrSize.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using System;
-using NUnit.Framework;
-
-namespace EventStore.Core.Tests;
-
-[TestFixture]
-public class VerifyIntPtrSize
-{
-	[Test]
-	public void TestIntPtrSize()
-	{
-		Assert.AreEqual(8, IntPtr.Size);
-	}
-}