AddBizTalkHiddenReferences error in TFS build when installing ProjectBuildComponent via a command line setup

I have been trying to script the installation of all the tools and SDKs we need on our TFS Build Agent VMs. This included BizTalk. A quick check on MSDN showed the setup command line parameter I need to install the build components was

/ADDLOCAL ProjectBuildComponent

So I ran this via my VMs setup PowerShell script, all appeared OK, but when I tried a build I got the error

C:\Program Files (x86)\MSBuild\Microsoft\BizTalk\BizTalkCommon.targets (189): The “AddBizTalkHiddenReferences” task failed unexpectedly.
System.ArgumentNullException: Value cannot be null.
Parameter name: path1
   at System.IO.Path.Combine(String path1, String path2)
   at Microsoft.VisualStudio.BizTalkProject.Base.HiddenReferencesHelper.InitializeHiddenReferences()
   at Microsoft.VisualStudio.BizTalkProject.Base.HiddenReferencesHelper.get_HiddenReferences()
   at Microsoft.VisualStudio.BizTalkProject.Base.HiddenReferencesHelper.GetHiddenReferencesNotAdded(IList`1 projectReferences)
   at Microsoft.VisualStudio.BizTalkProject.BuildTasks.AddBizTalkHiddenReferences.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext()

The strange thing is, if I run the BizTalk installer via the UI and select just the ‘Project Build Components’ my build did not give this error.

On checking the Biztalk setup logs I saw that the UI based install does not run

/ADDLOCAL ProjectBuildComponent


/ADDLOCAL WMI,BizTalk,AdditionalApps,ProjectBuildComponent

Once this change was made to my PowerShell script the TFS build worked OK

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