Active Authentication Through ACS Using Windows Live Id

I am trying to programmatically authenticate to my portal through ACS. When I do that manually by launching the portal, then entering my live id credentials, everything works fine. However, using below code it is failing to return a trusted token

Can anybody help please ??

functionInvoke-ADFSSecurityTokenRequest

{

   param(   

       [Parameter(Mandatory=$true)]$ADFSBaseUri,

       [Parameter(Mandatory=$true)]$AppliesTo,

       [Parameter(Mandatory=$true)]$Username,

       [Parameter(Mandatory=$true)]$Password,

       [Parameter(Mandatory=$true)][ValidateSet("1","2")]$SAMLVersion=1,

       [Parameter(Mandatory=$true)][ValidateSet("Token","RSTR")]$OutputType="Token",

       [Parameter(Mandatory=$true)][Switch]$IgnoreCertificateErrors

   )

   $ADFSTrustPath ="v2/wstrust/13"

   $SecurityMode ="TransportWithMessageCredential"

   $ADFSTrustEndpoint ='username'

   $Credential =New-Object System.Net.NetworkCredential-ArgumentList$Username,$Password

   Add-Type-AssemblyName'System.ServiceModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'

   Add-Type-AssemblyName'System.IdentityModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'

   $Binding =New-Object-TypeNameSystem.ServiceModel.WS2007HttpBinding -ArgumentList ([System.ServiceModel.SecurityMode]$SecurityMode)

   $Binding.Security.Message.EstablishSecurityContext=$false

   $Binding.Security.Message.ClientCredentialType="UserName"

   $Binding.Security.Transport.ClientCredentialType='None'

   $EP=New-Object-TypeNameSystem.ServiceModel.EndpointAddress -ArgumentList ('{0}/{1}/{2}' -f$ADFSBaseUri,$ADFSTrustPath,$ADFSTrustEndpoint)

   $WSTrustChannelFactory =New-Object-TypeNameSystem.ServiceModel.Security.WSTrustChannelFactory-ArgumentList$Binding,$EP

   $WSTrustChannelFactory.TrustVersion=[System.ServiceModel.Security.TrustVersion]::WSTrust13

   $WSTrustChannelFactory.Credentials.Windows.ClientCredential=$Credential

   $WSTrustChannelFactory.Credentials.UserName.UserName=$Credential.UserName

   $WSTrustChannelFactory.Credentials.UserName.Password=$Credential.Password

   $Channel =$WSTrustChannelFactory.CreateChannel()

   $TokenType = @{

       SAML11 ='urn:oasis:names:tc:SAML:1.0:assertion'

       SAML2 ='urn:oasis:names:tc:SAML:2.0:assertion'

   }

   $RST=New-Object-TypeNameSystem.IdentityModel.Protocols.WSTrust.RequestSecurityToken-Property @{

       RequestType   =[System.IdentityModel.Protocols.WSTrust.RequestTypes]::Issue

       AppliesTo     =$AppliesTo

       KeyType       =[System.IdentityModel.Protocols.WSTrust.KeyTypes]::Bearer

       TokenType     =if ($SAMLVersion-eq'2') {$TokenType.SAML2}else {$TokenType.SAML11}

   }

   $RSTR=New-Object-TypeNameSystem.IdentityModel.Protocols.WSTrust.RequestSecurityTokenResponse

   try {

       $OriginalCallback =[System.Net.ServicePointManager]::ServerCertificateValidationCallback

       if ($IgnoreCertificateErrors.IsPresent) {[System.Net.ServicePointManager]::ServerCertificateValidationCallback= {return$true}}

       $Token=$Channel.Issue($RST,[ref]$RSTR)

   }

   finally {

       [System.Net.ServicePointManager]::ServerCertificateValidationCallback=$OriginalCallback

   }

   if ($OutputType-eq'RSTR') {

       Write-Output-InputObject$RSTR

   }

   else {

       Write-Output-InputObject$Token

   }

}

Invoke-ADFSSecurityTokenRequest `

   -ADFSBaseUri"https://mypartnerportal.accesscontrol.windows.net" `

   -AppliesTo"http://localhost:#portnb#/" `

   -UserName"myusername" `

   -Password"mypassword" `

   -OutputType"Token" `

   -SAMLVersion"2" `

   -IgnoreCertificateErrors