Thanks, how do I determine if I have a public IP?

I'll look into Hamachi as well.

>That would only work if you have a public IP, and then you have to set port forwarding at the router.
>
>If you don't have a public IP address, a workaround would be to create a network using Hamachi from LogMeIn, I did that once and it was pretty easy to setup, and it's free if I remember correctly.
>
>>I believe that I have that configured as I am able to connect to the database from a different PC on the local network.
>>
>>I understand that I need to know the IP address of the database server, how would I determine that? This is what I would need to use in my connection string from the PC outside the LAN.
>>
>>>In SQL Server Management Studio, did you check "Allow remote connections" in the server properties?
>>>
>>>
>>>>This is actually SQL Server Express 2012 .
>>>>
>>>>I have two PCs in a workgroup at a client. Both running Win 7 Home Premium. I have installed SQL Server Express 2012 on one and my system running on that PC is able to access it.
>>>>
>>>>I have:
>>>>
>>>>1. enabled TCP/IP and named pipes
>>>>2. set dynamic ports to blank and set a TCP port number
>>>>3. Added an exception for this port number in Windows firewall
>>>>
>>>>Is there anything I am missing? I can't access the data from the other PC.
>>>>
>>>>Update
>>>>
>>>>I found that I had changed the dynamic ports on IP2 (or was it IP4?) instead of IPALL. Once I did that I was able to connect.
>>>>
>>>>Now my next challenge is to allow a remote computer access to the database over the internet. Any suggestions of where to find instructions on how to do this?