I'm not a product expert, but I've moved your post to the ePO area. Hopefully someone can help you soon.
Have you tried checking our knowledgebase and product documentation? You can find links to both in the Useful Links dropdown menu above.
Sorry, didn't understand how to nav site or where I should post, I have since rectified both.
I do not know if you have already found the solution, but if not - please refer to this document. It sholud be helpful for you:
I found it some time ago when I was configuring my ePO server.