Using WEBDAV in a Windows PowerShell script

Hello,

I am trying to write a Windows PowerShell script to copy a file from my SharePoint site to a DB repository folder using a WEBDAV link.  I am not getting it to work.

When I copy from SharePoint to SharePoint it works.  I have used my credentials on the script which has the authorizations but it still isn't working.  The response error is a 500 Internal Server error.

Any ideas?

Has anyone done this before?

Thanks,

Matt