nuget.exe push to local source (folder) error

I'm just starting with nuget and nuget.exe which is on my path (VS 2010, Win 7). I've created a test package and have created an additional package source using the Library Package Manager in VS: Name: MyLocal Source: D:\usr\nuget\MyLocal

All I did here was create the folder on my D: drive then add the source in PM.

I'm trying to push my test package into my local source:

nuget.exe push MyTest.1.0.nupkg 99999999-9999-9999-9999-999999999999 -src MyLocal

...but I get Invalid URI: the format of the URI could not be determined.

I've tried other combinations:

nuget.exe push MyTest.1.0.nupkg 99999999-9999-9999-9999-999999999999 -src d:\usr\nuget\myLocal 开发者_如何学CObject reference not set to an instance of an object.

What is the significance of the access key? I'm obviously missing some fundamental insight. Can you help? thanks Michael

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This isn't supported right now. You should just do a file copy