Connect nodes to the Server having SQL 2008 r2

We can work with SQL Server 2008 R2 in network mode also. For that we have to enable named pipes, TCP IP and VIA in SQL configuration.

Steps: 

Start-->Programs-->Microsoft SQL Server 2008 R2-->Configuration Services-->SQL Server Configuration Manager-->SQL Server Network Configuration-->Protocols for SQL Server

Enable following Options

1.Named Pipes

2.TCP/IP

3.VIA

After enabling above options restart the system.

Thanks to Rajesh H System Administrator