Here we would like to draw your attention to OAD2 transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).OAD2 is a transaction code used for SAP ArchiveLink document classes in SAP.
It comes under the package SAOP.
Transaction OAD2 technical data table
|Purpose||SAP ArchiveLink document classes|