Any solutions for Win 7 homegroups not working with Norton 360?

Just wondering if a solution was ever found for Win 7 homegroups not working with the Norton 360 firewall. 

I have been struggling to get only 2 PC's to connect via Win7 homegroup and they do connect IF I disable the firewall  Once the firewall is reactivated the connection breaks.

I have tried many options but nothing seems to work.  I connected with Norton support and the tech tried(all the things I had already done) and she was unaware this was even an issue.

So if anyone has any suggestions or possible solutions, I would welcome them.  Thanks