JDBC connection error

I am getting the following error when i am trying to configure JDBC connection to SQLserver 2000 database:::::

Error encountered
[ART.118.5042] Adapter Runtime (Connection): Unable to enable connection resource kamal:kamal.[ART.118.5036] Adapter Runtime (Connection): Unable to configure connection manager.[ADA.1.200] The JDBC DataSource class “com.microsoft.jdbcx.sqlserver.SQLServerDataSource” cannot be located.com.microsoft.jdbcx.sqlserver.SQLServerDataSource Can anyone tell me what needs to be done

Have you searched the JDBC Adapter forum for similar issues? Have you read the JDBC Adapter User’s Guide?