Here we would like to draw your attention to SWU3_OLD transaction code in SAP. As we know it is being used in the SAP BC-BMT (Business Management in Basis) component which is coming under BC module (BASIS).SWU3_OLD is a transaction code used for Consistency check: Customizing in SAP.
It comes under the package SWU.When we execute this transaction code, RSWUDI06 is the normal standard SAP program that is being executed in background.
Transaction SWU3_OLD technical data table
|Purpose||Consistency check: Customizing|