>I havee a few Sql Server based apps developed in Dot Net, but have always run these from the actual Server.
>
>Is there any probelm copying just the .EXE to a local pc on the LAN and running from there.
>Is there any requirement to load a copy of Sql Server onto the local PC ?? (All data resides on the Server Machine and Sql Server runs on the Server Machinne)

You do not need anything locally. You just need to adjust your connection string to point wherever the SQL Server database resides.