Get Impacted Tests Failure on TFS Online, but my Tests Pass

Question

I'm getting the following Automated buld report.
My compile and MS Tests pass, but when the build tries to figure out impacted tests, I get the following errors.
I don't get this error when I build locally.
Debug | Any CPU
0 error(s), 0 warning(s)
$/MyProj/MyProj.sln compiled
$/ /Trunk/Engineering/Sol.sln - 0 error(s), 0 warning(s),View Log File
1 test run(s) completed - 100% average pass rate (100% total pass rate)
333/333 test(s) passed, 0 failed, 0 inconclusive
6 binaries instrumented - 42% of all code blocks covered
MSTest.dll - 63% of 13327 code blocks covered
Client.Web.dll - 37% of 9097 code blocks covered
Framework.dll - 19% of 2202 code blocks covered
Business.dll - 46% of 3412 code blocks covered
Domain.dll - 17% of 4512 code blocks covered
Repository.dll - 24% of 4341 code blocks covered
Other Errors and Warnings
1 error(s), 0 warning(s)
Exception Message: The http request operation timed out after 00:15:00. (type TimeoutException)
Exception Stack Trace: at Microsoft.TeamFoundation.Client.Channels.TfsHttpRetryChannel.
Request(TfsMessage message, TimeSpan timeout) in d:\a1\dd\alm\tfs_core\Framework\Client\Channels
\TfsHttpRetryChannel.cs:line 156
at Microsoft.TeamFoundation.Client.Channels.TfsHttpClientBase.Invoke(TfsClientOperation
operation, Object[] parameters, TimeSpan timeout, Object[]& outputs) in
d:\a1\dd\alm\tfs_core\Framework\Client\Channels\TfsHttpClientBase.cs:line 455
at Microsoft.TeamFoundation.TestImpact.Client.TestImpactServer.Microsoft.TeamFoundation.
TestImpact.Client.ITestImpactServer.PublishBuildChanges(Uri buildUri, CodeChange[] changes)
in d:\a1\dd\alm\tfs_core\TestImpact\Client\TestImpactServer.cs:line 43
at Microsoft.TeamFoundation.TestImpact.BuildIntegration.BuildActivities.GetImpactedTests.
Execute(CodeActivityContext context) in d:\a1\dd\edev\diagnostics\aftershock\BuildIntegration\
Activities\GetImpactedTestsActivity.cs:line 136
at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor
executor, BookmarkManager bookmarkManager)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.
ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

Answer 1

I am getting this error again, my code and tests all pass.
Exception Message: The http request operation timed out after 00:15:00. (type TimeoutException)
Exception Stack Trace: at Microsoft.TeamFoundation.Client.Channels.TfsHttpRetryChannel.Request(TfsMessage message, TimeSpan timeout) in d:\a1\dd\alm\tfs_core\Framework\Client\Channels\TfsHttpRetryChannel.cs:line 156
at Microsoft.TeamFoundation.Client.Channels.TfsHttpClientBase.Invoke(TfsClientOperation operation, Object[] parameters, TimeSpan timeout, Object[]& outputs) in d:\a1\dd\alm\tfs_core\Framework\Client\Channels\TfsHttpClientBase.cs:line 455
at Microsoft.TeamFoundation.TestImpact.Client.TestImpactServer.Microsoft.TeamFoundation.TestImpact.Client.ITestImpactServer.PublishBuildChanges(Uri buildUri, CodeChange[] changes) in d:\a1\dd\alm\tfs_core\TestImpact\Client\TestImpactServer.cs:line 43
at Microsoft.TeamFoundation.TestImpact.BuildIntegration.BuildActivities.GetImpactedTests.Execute(CodeActivityContext context) in d:\a1\dd\edev\diagnostics\aftershock\BuildIntegration\Activities\GetImpactedTestsActivity.cs:line 136
at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)