SQL 2008 Trigger timing out over VPN

Hi

I have 2 SQL 2008 servers installed on Windows Server 2008

I have created linked servers between them and I can access data from one server to another.

I can insert from one server onto a database on the other server.

I can build a trigger that will insert a record in a table on the other server when I insert the record on the local server

This all works when both servers are on the same network

When I both the second server, lets call it the remote server to a different office on a different subnet (connected via site to site VPN) the trigger does not work

I can still access the data and I can still run a SQL statement to insert into the remote server and it works. The final piece is getting the trigger to do the insert, when I try it I get the following error:

OLE DB provider "SQLNCLI10" for linked server "SQL2008SITE2" returned message...