How to hide output from net use in Powershell

Question

I'm using this Powershell script to connect a network path:

$usrLogin = [Environment]::UserName + "@mydomain.net"
$cred = Get-Credential $usrLogin
$networkCred = $cred.GetNetworkCredential()
$usercred = $networkCred.UserName + '@' + $networkCred.Domain
$extractSource = "\\srv01\d$\"
net use $extractSource $networkCred.Password /USER:$usercred

I decide to use "net use", because I'll open later in the Script a FileDialog which opens directly the Network Path.

$openFileDialog1 = New-Object System.Windows.Forms.OpenFileDialog
$openFileDialog1.initialDirectory = "\\srv01\d$\"

Now my question:

How can I hide the output from the "net use" command? I tried this but it didn't work:

net use $extractSource $networkCred.Password /USER:$usercred | out-null

Shay Levy · Accepted Answer · 2013-05-30 08:25:03Z

6

You can redirect the error stream to null:

net use $extractSource $networkCred.Password /USER:$usercred 2>null

Or use 2>&1 to redirect the error stream to the standard output stream and both to null:

net use $extractSource $networkCred.Password /USER:$usercred 2>&1>null

answered May 30, 2013 at 8:25

Shay Levy

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3 Comments

Deltahost Over a year ago

Thanks a lot, that's what I was looking for! I've allways tought i need to use a pipe instad of a ">" :-)

Richard Over a year ago

Can you please explain what 2>&1>null is doing? How does redirecting a number handle errors?

Shay Levy Over a year ago

Sorry for the late reply. These numbers represent console streams, 2 is the error stream. You can find more information in the about_Redirection help topic

Frode F. · Accepted Answer · 2013-05-29 14:33:18Z

1

The line above works when I run it(piping to out-null). if it still doesn't work for you, try the following:

(net use $extractSource $networkCred.Password /USER:$usercred) | out-null

or storing in $null like this:

$null = net use $extractSource $networkCred.Password /USER:$usercred

answered May 29, 2013 at 14:33

Frode F.

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3 Comments

Deltahost Over a year ago

Unfortunately both options do not work for me... It hides only a success message from the "net use" command but not Error warnings. Per example when i run the command twice I get still a Error like this even I pipe it to out-null: net.exe : System error 1219 has occurred. At line:133 char:16 + $null = net <<<< use $extractSource $networkCred.Password /USER:$usercred + CategoryInfo : NotSpecified: (System error 1219 has occurred.:String) [], RemoteException + FullyQualifiedErrorId : NativeCommandError Multiple connections to a server or shared resource...

Frode F. Over a year ago

This is something you should have specified in the question. To handle error output, see Shay's answer.

Deltahost Over a year ago

Sorry for the uncertain question... Thank you anyway!

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