Microsoft has released SQL Server Compact 3.5 Server Tools Beta 2

SQL Server Compact 3.5 is a small footprint in-process database engine that allows developers to build robust applications for Windows Desktops and Mobile Devices. SQL Server Compact 3.5 Server Tools installs replication components on the IIS server enabling merge replication and remote data access (RDA) with SQL Server 2005 and later

SQL Server Compact 3.5 Server Tools cannot be installed Side-by-Side on the same IIS server with previous versions of SQL Server 2005 Compact Edition Server Tools or with SQL Server 2005 Mobile Edition Server Tools. Using SQL Server Compact 3.5 Server Tools you can synchronize between these previous versions of the client database and SQL Server 2005 and later version of the server product.

For more information please see the SQL Server Compact 3.5 Books Online Post feedback and questions to SQL Server Compact 3.5 MSDN Forum.

SQL Server Compact 3.5 Server Tools Beta 2