Unable to create connection with Sql server
                            
                         
                        
                     
                 
                
                    When Creating connection to Sql server an error encountered -
Unable to add data connection, Couldn't load file or assembly Microsoft.SqlServer.Management.Sdk.Sfc version 11.0.0.0
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What does it mean. I have Sql Server 2008 and visual studio 2012 on my pc.