Additionally, explain the issue a little more.
Are you receiving an access denied or other message when you attempt to attach to the network share or
Are you getting something else, like unable to connect or not available or something else that may tell us more about your issue.
If you can't browse to the resource then you may need to take additional steps on the Win7 host machine regarding NetBIOS.
Type ncpa.cpl into the search box and hit enter
Right click the network adapter you are using (usually Local Area Connection) and choose properties
scoll as need and select Internet Protocol Version 4 and click the properties button and on the subsequent dialog box click the advanced button and select the WINS tab.
Near the bottom select the...