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POWhy does custom Build Process Template executing PowerShell fail
 

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  1. POWhy does custom Build Process Template executing PowerShell fail
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    <p>I've modified a custom build process template to execute Powershell on the build server. This is so I can run some scripts that will automate the deployment of our SharePoint solution. Everything was working fine up until I upgraded the build servers Powershell version from 2.0 to 3.0 (which needed to be done as I was installing SCVMM Admin Console 2012 and Powershell 3.0 was a pre-requisite).</p> <p>In the build template itself, I'm using a <strong>Microsoft.TeamFoundation.Build.Workflow.Activities.InvokeProcess</strong> work flow item to execute the PowerShell command with the following properties:</p> <blockquote> <p>Arguments : String.Format(" ""&amp; '{0}' -DropLocation '{1}' {2} "" ", ScriptFilename, BuildDetail.DropLocation, PostDropScript2Arguments)</p> <p>FileName : "powershell"</p> <p>OutputEncoding : System.Text.Encoding.GetEncoding(System.Globalization.CultureInfo.InstalledUICulture.TextInfo.OEMCodePage)</p> </blockquote> <p>Now every time I try to execute the build, I get the following error:</p> <blockquote> <p>Exception Message: File not found: PowerShell (type FileNotFoundException) Exception Stack Trace: Server stack trace:<br> at Microsoft.TeamFoundation.Build.Workflow.Activities.InvokeProcess.ProcessWrapper.Start() at Microsoft.TeamFoundation.Build.Workflow.Activities.InvokeProcess.InvokeProcessInternal.RunCommand(AsyncState state) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]&amp; outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.AsyncProcessMessage(IMessage msg, IMessageSink replySink)</p> <p>Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.EndInvokeHelper(Message reqMsg, Boolean bProxyCase) at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(Object NotUsed, MessageData&amp; msgData) at System.Func<code>2.EndInvoke(IAsyncResult result) at System.Activities.AsyncCodeActivity</code>1.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context, IAsyncResult result) at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)</p> <p>Inner Exception Details:</p> <p>Exception Message: The system cannot find the file specified (type Win32Exception) Exception Stack Trace: at System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo) at Microsoft.TeamFoundation.Build.Workflow.Activities.InvokeProcess.ProcessWrapper.Start()</p> </blockquote> <p>It seems like the build is no longer able to link the "powershell" command with the actual PowerShell file.</p> <p>I've manually gone onto the build server and typed "powershell" into a command line and it started PowerShell, as expected.</p> <p>Has anyone else experienced this issue before?</p> <p>Thanks very much</p>
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    1. USRobert Anton Reese
    1. USDewi Rees
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    1. COIs it possible that the environment variables simply haven't refreshed? I.e., have you restarted the build windows service or server since the installation?
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      1. USNathan
    2. CO@Nathan thanks for the input, I had to restart the build server after the installation of the new version of Powershell so unfortunately I don't believe that is the issue. I will give it another try though!
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      1. USDewi Rees
    3. COI have just seen exactly the same problem. Using *any* other method I can think of (including LinqPad and `Process.Invoke`, each under the build account), I can launch PowerShell without a path - but the build process suddenly cannot.
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      1. USDan Puzey
 

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