SQL SERVER2008 DBX Error: Driver could not be properly initialized

raised exception class TDBXError with message ‘DBX Error:  Driver could not be properly initialized.  Client library may be missing, not installed properly, of the wrong version, or the driver may be missing from the system path.‘.

http://docwiki.embarcadero.com/RADStudio/XE7/en/DbExpress_Database_Specific_Information

 Install the SQL Server Native Client for Windows

2008

http://msdn.microsoft.com/en-us/sqlserver/ff658533.aspx

2014

http://msdn.microsoft.com/en-us/library/ms131321.aspx