PowerShell script problem

Question

Here is the code:

static String checkBackUp()
{
    Runspace runspace = RunspaceFactory.CreateRunspace();

    runspace.Open();

    Pipeline pipeline = runspace.CreatePipeline();                     
    pipeline.Commands.Add("Get-WBSummary");
    pipeline.Commands.Add("Out-String");

    Collection<PSObject> results = new Collection<PSObject>();
    try
    {
        results = pipeline.Invoke();
    }
    catch (Exception ex)
    {
        results.Add(new PSObject((object)ex.Message));
    }

    runspace.Close();

    StringBuilder stringBuilder = new StringBuilder();
    foreach (PSObject obj in results)
    {
        stringBuilder.AppendLine(obj.ToString());
    }

    return stringBuilder.ToString();
}

The problem is that this runs every cmdlet (like Get-Process for example) but when I try to verify if a backup has been made (Get-WBSummary), it spits out the following error:

The term 'Get-WBSummary' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

However when I put the command straight into PowerShell, it executes the command. I have already tried to add a SnapIn but this did not work.

What am I doing wrong here?

Jeremy McGee · Accepted Answer · 2011-09-21 07:01:46Z

1

Get-WBSummary isn't a regular built-in Powershell cmdlet. You'll need to do

Add-PSSnapin Windows.ServerBackup

at some point in your code after the runspace is initialised.

answered Sep 21, 2011 at 7:01

Jeremy McGee

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1 Comment

Dirk van Rhijn Over a year ago

Like i said in my question i did :) and it didnt help. i had it like this : Pipeline pipeline = runspace.CreatePipeline(); pipeline.Commands.Add("Add-Pssnapin" Windows.serverbackup"); Command addSnapin = new Command("Add-PSSnapin"); addSnapin.Parameters.Add("Name", "Windows.serverbackup"); pipeline.Commands.Add(addSnapin);

AccurateEstimate · Accepted Answer · 2014-02-07 18:55:05Z

0

You'll have to create an initial session state and add the snapin. Here is how to do it

initialSession = InitialSessionState.CreateDefault();
initialSession.ImportPSModule(new[] {"Path\to\module\here"});

answered Feb 7, 2014 at 18:55

AccurateEstimate

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