diff --git a/dotnet/aspire-integration/Aspire.Hosting.AgentFramework.DevUI/DevUIResource.cs b/dotnet/aspire-integration/Aspire.Hosting.AgentFramework.DevUI/DevUIResource.cs
index 1af2f5a1a0..9cf85dff07 100644
--- a/dotnet/aspire-integration/Aspire.Hosting.AgentFramework.DevUI/DevUIResource.cs
+++ b/dotnet/aspire-integration/Aspire.Hosting.AgentFramework.DevUI/DevUIResource.cs
@@ -25,6 +25,7 @@ public class DevUIResource(string name) : Resource(name), IResourceWithEndpoints
     /// <param name="port">An optional fixed port. If <c>null</c>, a dynamic port is assigned.</param>
     internal DevUIResource(string name, int? port) : this(name)
     {
+        this.Port = port;
         this.Annotations.Add(new EndpointAnnotation(
             ProtocolType.Tcp,
             uriScheme: "http",
@@ -36,6 +37,11 @@ public class DevUIResource(string name) : Resource(name), IResourceWithEndpoints
         });
     }
 
+    /// <summary>
+    /// Gets the optional fixed port for the DevUI web interface.
+    /// </summary>
+    internal int? Port { get; }
+
     /// <summary>
     /// Gets the primary HTTP endpoint for the DevUI web interface.
     /// </summary>
diff --git a/dotnet/samples/DevUIIntegration/DevUIIntegration.AppHost/DevUIIntegration.AppHost.csproj b/dotnet/samples/DevUIIntegration/DevUIIntegration.AppHost/DevUIIntegration.AppHost.csproj
index b0b9fb4fc3..b060a2860e 100644
--- a/dotnet/samples/DevUIIntegration/DevUIIntegration.AppHost/DevUIIntegration.AppHost.csproj
+++ b/dotnet/samples/DevUIIntegration/DevUIIntegration.AppHost/DevUIIntegration.AppHost.csproj
@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/dotnet/samples/DevUIIntegration/DevUIIntegration.ServiceDefaults/DevUIIntegration.ServiceDefaults.csproj b/dotnet/samples/DevUIIntegration/DevUIIntegration.ServiceDefaults/DevUIIntegration.ServiceDefaults.csproj
index 0ba7cf1e7d..0c5573beac 100644
--- a/dotnet/samples/DevUIIntegration/DevUIIntegration.ServiceDefaults/DevUIIntegration.ServiceDefaults.csproj
+++ b/dotnet/samples/DevUIIntegration/DevUIIntegration.ServiceDefaults/DevUIIntegration.ServiceDefaults.csproj
@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
-    <TargetFrameworks></TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsAspireSharedProject>true</IsAspireSharedProject>
diff --git a/dotnet/samples/DevUIIntegration/EditorAgent/EditorAgent.csproj b/dotnet/samples/DevUIIntegration/EditorAgent/EditorAgent.csproj
index ed726520a3..ace52399c5 100644
--- a/dotnet/samples/DevUIIntegration/EditorAgent/EditorAgent.csproj
+++ b/dotnet/samples/DevUIIntegration/EditorAgent/EditorAgent.csproj
@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
-    <TargetFrameworks></TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>b2c3d4e5-f6a7-8901-bcde-f12345678901</UserSecretsId>
diff --git a/dotnet/samples/DevUIIntegration/WriterAgent/WriterAgent.csproj b/dotnet/samples/DevUIIntegration/WriterAgent/WriterAgent.csproj
index f149138ce0..e596b972fe 100644
--- a/dotnet/samples/DevUIIntegration/WriterAgent/WriterAgent.csproj
+++ b/dotnet/samples/DevUIIntegration/WriterAgent/WriterAgent.csproj
@@ -1,8 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
-    <TargetFrameworks></TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>a1b2c3d4-e5f6-7890-abcd-ef1234567890</UserSecretsId>
diff --git a/dotnet/tests/Aspire.Hosting.AgentFramework.DevUI.UnitTests/Aspire.Hosting.AgentFramework.DevUI.UnitTests.csproj b/dotnet/tests/Aspire.Hosting.AgentFramework.DevUI.UnitTests/Aspire.Hosting.AgentFramework.DevUI.UnitTests.csproj
index 84b1dfd9c8..9c1036160c 100644
--- a/dotnet/tests/Aspire.Hosting.AgentFramework.DevUI.UnitTests/Aspire.Hosting.AgentFramework.DevUI.UnitTests.csproj
+++ b/dotnet/tests/Aspire.Hosting.AgentFramework.DevUI.UnitTests/Aspire.Hosting.AgentFramework.DevUI.UnitTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFrameworks>net10.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>