diff --git a/tests/Microsoft.Identity.Web.Test.Common/TestConstants.cs b/tests/Microsoft.Identity.Web.Test.Common/TestConstants.cs
index 536f7c211..eb6342a38 100644
--- a/tests/Microsoft.Identity.Web.Test.Common/TestConstants.cs
+++ b/tests/Microsoft.Identity.Web.Test.Common/TestConstants.cs
@@ -110,7 +110,7 @@ public static class TestConstants
         public const string ConfidentialClientKeyVaultUri = "https://msidlabs.vault.azure.net/secrets/LabVaultAccessCert/";
         public const string ConfidentialClientId = "88f91eac-c606-4c67-a0e2-a5e8a186854f";
         public const string ConfidentialClientLabTenant = "f645ad92-e38d-4d1a-b510-d1b09a74a8ca";
-        public const string OBOUser = "fIDLAB@msidlab4.com";
+        public const string OBOUser = "idlab1@msidlab4.onmicrosoft.com";
         public const string OBOClientSideClientId = "c0485386-1e9a-4663-bc96-7ab30656de7f";
         public static string[] s_oBOApiScope = new string[] { "api://f4aa5217-e87c-42b2-82af-5624dd14ee72/.default" };
         public const string LabClientId = "f62c5ae3-bf3a-4af5-afa8-a68b800396e9";
diff --git a/tests/Microsoft.Identity.Web.Test.Integration/AcquireTokenForUserIntegrationTests.cs b/tests/Microsoft.Identity.Web.Test.Integration/AcquireTokenForUserIntegrationTests.cs
index 5bf9a0201..c180fac0f 100644
--- a/tests/Microsoft.Identity.Web.Test.Integration/AcquireTokenForUserIntegrationTests.cs
+++ b/tests/Microsoft.Identity.Web.Test.Integration/AcquireTokenForUserIntegrationTests.cs
@@ -33,7 +33,7 @@ public AcquireTokenForUserIntegrationTests(WebApplicationFactory<Startup> factor
 
         private readonly WebApplicationFactory<Startup> _factory;
 
-        [Theory(Skip = "Skip while lab is being fixed. https://github.com/AzureAD/microsoft-identity-web/issues/3438")]
+        [Theory]
         [InlineData(TestConstants.SecurePageGetTokenForUserAsync)]
         [InlineData(TestConstants.SecurePageCallDownstreamWebApi)]
         [InlineData(TestConstants.SecurePageCallDownstreamWebApiGeneric)]
@@ -58,7 +58,7 @@ public async Task GetTokenForUserAsync(
             Assert.True(response.IsSuccessStatusCode);
         }
 
-        [Theory(Skip = "Skip while lab is being fixed. https://github.com/AzureAD/microsoft-identity-web/issues/3438")]
+        [Theory]
         [InlineData(TestConstants.SecurePage2GetTokenForUserAsync)]
         [InlineData(TestConstants.SecurePage2CallDownstreamWebApi)]
         [InlineData(TestConstants.SecurePage2CallDownstreamWebApiGeneric)]
diff --git a/tools/CrossPlatformValidator/CrossPlatformValidation/Benchmark/Program.cs b/tools/CrossPlatformValidator/CrossPlatformValidation/Benchmark/Program.cs
index be768c2ac..941e30856 100644
--- a/tools/CrossPlatformValidator/CrossPlatformValidation/Benchmark/Program.cs
+++ b/tools/CrossPlatformValidator/CrossPlatformValidation/Benchmark/Program.cs
@@ -40,7 +40,7 @@ static ValidateBenchmark()
         }
 
         public const string Organizations = "organizations";
-        public const string OBOUser = "fIDLAB@msidlab4.com";
+        public const string OBOUser = "idlab1@msidlab4.onmicrosoft.com";
         public const string OBOClientSideClientId = "c0485386-1e9a-4663-bc96-7ab30656de7f";
         public static string[] s_oBOApiScope = new string[] { "api://f4aa5217-e87c-42b2-82af-5624dd14ee72/.default" };
         public int numberValidations = 1000000;
diff --git a/tools/CrossPlatformValidator/CrossPlatformValidation/BenchmarkCSharp/Program.cs b/tools/CrossPlatformValidator/CrossPlatformValidation/BenchmarkCSharp/Program.cs
index 5458a5ea4..ff7ccdbc1 100644
--- a/tools/CrossPlatformValidator/CrossPlatformValidation/BenchmarkCSharp/Program.cs
+++ b/tools/CrossPlatformValidator/CrossPlatformValidation/BenchmarkCSharp/Program.cs
@@ -55,7 +55,7 @@ static ValidateBenchmark()
         }
 
         public const string Organizations = "organizations";
-        public const string OBOUser = "fIDLAB@msidlab4.com";
+        public const string OBOUser = "idlab1@msidlab4.onmicrosoft.com";
         public const string OBOClientSideClientId = "c0485386-1e9a-4663-bc96-7ab30656de7f";
         public static string[] s_oBOApiScope = new string[] { "api://f4aa5217-e87c-42b2-82af-5624dd14ee72/.default" };
         public int numberValidations = 1000000;
diff --git a/tools/CrossPlatformValidator/CrossPlatformValidation/CSharpConsoleApp/Program.cs b/tools/CrossPlatformValidator/CrossPlatformValidation/CSharpConsoleApp/Program.cs
index 87cb2f17d..5ca0b9865 100644
--- a/tools/CrossPlatformValidator/CrossPlatformValidation/CSharpConsoleApp/Program.cs
+++ b/tools/CrossPlatformValidator/CrossPlatformValidation/CSharpConsoleApp/Program.cs
@@ -24,7 +24,7 @@
 static async Task<AuthenticationResult> AcquireTokenForLabUserAsync()
 {
  string Organizations = "organizations";
- string OBOUser = "fIDLAB@msidlab4.com";
+ string OBOUser = "idlab1@msidlab4.onmicrosoft.com";
  string OBOClientSideClientId = "c0485386-1e9a-4663-bc96-7ab30656de7f";
  string[] s_oBOApiScope = new string[] { "api://f4aa5217-e87c-42b2-82af-5624dd14ee72/.default" };
 
diff --git a/tools/CrossPlatformValidator/CrossPlatformValidation/CrossPlatformValidatorTests/InitializeAndValidateTests.cs b/tools/CrossPlatformValidator/CrossPlatformValidation/CrossPlatformValidatorTests/InitializeAndValidateTests.cs
index e7bf409e4..ea407e283 100644
--- a/tools/CrossPlatformValidator/CrossPlatformValidation/CrossPlatformValidatorTests/InitializeAndValidateTests.cs
+++ b/tools/CrossPlatformValidator/CrossPlatformValidation/CrossPlatformValidatorTests/InitializeAndValidateTests.cs
@@ -10,7 +10,7 @@ namespace CrossPlatformValidatorTests
     public class InitializeAndValidateTests
     {
         public const string Organizations = "organizations";
-        public const string OBOUser = "fIDLAB@msidlab4.com";
+        public const string OBOUser = "idlab1@msidlab4.onmicrosoft.com";
         public const string OBOClientSideClientId = "c0485386-1e9a-4663-bc96-7ab30656de7f";
         public static string[] s_oBOApiScope = new string[] { "api://f4aa5217-e87c-42b2-82af-5624dd14ee72/.default" };
         public int numberValidations = 1000000;