Using wsdl utility (as for WIndows SDK 6.0A) you may encounter following error:
Error: Could not find a part of the path 'd:\projects\my%20project\xsd\type1\Adresses.xsd'.
This is because your project filepath contains blanks:
Copy files to another, MS DOS - 8.3 - conform location and retry (for example,
You will see it works now.