Have you ever received this error message and scratched your head?
Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again
Since I run multiple virtual environments with the same logon credentials it used to happen to me all the time.
The solution is to use the IP Address or the full domain as demonstrated here:
Instead of \\SERVER1\Websites
Try this \\SERVER1.net\Websites OR \\192.168.30.1\Websites
Works like a charm.
Microsoft has posted a step-by-step instruction guide on how to create a SharePoint 2010 development environment on Windows 7, Windows Vista and/or Windows Server 2008. It's alot easier than SharePoint 2007.
Here's the link: http://msdn.microsoft.com/en-us/library/ee554869.aspx