The \Buyer subdirectory resides under the \connectors\Buyer directory (see Table 2). The files in this subdirectory contain certain configuration information for the adapter channel.
To complete the installation, copy this subdirectory on top of the Ariba Buyer 8 home directory and update the class path, as follows.
#IBM ERP Channel implementation
classes/IBMChannel.jar
classes/ABCommon.jar
classes/BIA_IBMMigration.jar(required only if you have migrated from WAAB 1.x or 2.x: see Appendix C, Migrating the integration channel for details.)