Powershell error creating SharePoint Metadata Service Application Proxy

I have been following the instructions from the following site regarding consuming SharePoint services from another SharePoint farm:

http://blogs.msdn.com/b/mcsnoiwb/archive/2010/02/05/how-to-publish-a-managed-metadata-service-for-cross-farm-consumption.aspx#step4

Everything was going great until I encountered the following error in Powershell:

New-SPMetadataServiceApplicationProxy : ServiceApplication or URI must be speci
fied when creating a proxy.
At line:1 char:38
+ New-SPMetadataServiceApplicationProxy <<<<  -Name "Enterprise Metadata Servic
e Proxy" -URI (Receive-SPServiceApplicationConnectionInfo -FarmUrl https://intr
anetapp1:32844/Topology/topology.svc   | Where {$_.Name -eq "Enterprise Metadat
a Service"}).Uri
    + CategoryInfo          : InvalidArgument: (Microsoft.Share...ataServicePr
   oxy:SPCmdletNewMetadataServiceProxy) [New-SPMetadataServiceApplicationProx
  y], InvalidOperationException
    + FullyQualifiedErrorId : Microsoft.SharePoint.Taxonomy.Cmdlet.SPCmdletNew
   MetadataServiceProxy

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here is my command:

PS C:\> New-SPMetadataServiceApplicationProxy -Name "Enterprise Metadata Service Proxy" -URI (Receive-SPServiceApplicationConnectionInfo -FarmUrl https://sitename/Topology/topology.svc   | Where {$_.Name -eq "Enterprise Metadata S
ervice"}).Uri

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any ideas?