How to create a Navigation link from My Site back the the Private Portal:
1. From your "My Site" select Site Actions --> Site Settings.
2. Select Portal Site Connection under the Site Collection Administration column (Last column to the right)
3. Select the Connect to Portal Site radio button.
5. Enter HarmonieWeb Private for the Portal Name
6. Click OK.
Now you should see a "Harmonie Web Private" link in the upper left corner on all of your My Site sites. Click on this link and you will navigate back to the HarmonieWeb Private Home page.