I am getting error

odbc_connect(): SQL error: [unixODBC][Driver Manager]Data source name not found, and no default driver specified, SQL state IM002 in SQLConnect for Linux server

while executing following command to connect with sybase from PHP.

$db = ADONewConnection('odbc');

$DSN = 'UID=username;PWD=password;EngineName=dbServiceName;AutoStop=No;Integrated=No;Debug=No;DisableMultiRowFetch=No;CommLinks=SharedMemory,TCPIP{};Compress=No;Driver={Adaptive Server Anywhere 9.0}';


$db->Connect($DSN );

I have installed ODBC drivers with FreeTDS to connect Sybase database with PHP code with following commands

• sudo apt-get install unixodbc
• sudo apt-get install tdsodbc
• sudo apt-get install freetds-bin tdsodbc

/etc/odbc.ini file

• Driver = /usr/lib/x86_64-linux-gnu/odbc/libtdsodbc.so
• Setup = /usr/lib/x86_64-linux-gnu/odbc/libtdsS.so
• Server = server_name
• Port = port_number
• Database = dbname
• Username = dbusername
• Password = dbpassword

freetds.conf file

[sybase]
    host=
    port=
    Tds version=