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Peter Walke
Asked: 2009-09-25 06:13:49 +0800 CST

powershell v2 remoting - How do you enable unecrypted traffic

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I'm writing a powershell v2 script that I'd like to run against a remote server. When I run it, I get the error :

Connecting to remote server failed with the following error message : The WinRM client cannot process the request. Unencrypted traffic is currently disabled in the client configuration. Change the client configurati on and try the request again. For more information, see the about_ Remote_Troubleshooting Help topic.

I looked at the online help for about _ Remote_Troubleshooting, but it didn't point me towards how to enable unecrypted traffic. Below is the script that I'm using that is causing me problems.

Note: I have already run Enable-PSRemoting on the remote machine to allow it to accept incoming requests.
I have tried to use a session option variable, but it doesn't seem to make any difference.

$key = "HKLM:\SOFTWARE\Microsoft\PowerShell\1\ShellIds"
Set-ItemProperty $key ConsolePrompting True

$tvar = "password"
$password = ConvertTo-SecureString -string $tvar -asPlainText –force
$username="domain\username"
$mySessionOption = New-PSSessionOption -NoEncryption 
$credential = New-Object System.Management.Automation.PSCredential($username,$password)

invoke-command -filepath C:\scripts\RemoteScript.ps1  -sessionoption $mySessionOption -authentication digest -credential $credential -computername RemoteServer

How do I enable unencrypted traffic?

powershell

2 Answers

  1. New-PSSessionOption has a -NoEncryption option.

    $PSSessionOption = New-PSSessionOption -NoEncryption
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  2. On the server side, you need to configure WinRM (the underlying service that mediates remote invocation) to use unencrrypted HTTP transport. Look up "winrm quickconfig".

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