Enterprise Administration > Implementing Windchill ESI > Implementing Windchill ESI in an SAP Environment > Distribution Target Prerequisites and Assumptions > Configuration Assumptions > Create and Change BOM / Group BOM Configuration Assumptions
  
Create and Change BOM / Group BOM Configuration Assumptions
To create or change BOMs / Group BOMs in your SAP distribution targets, the following are assumed:
Required BOM/Group BOM fields are maintained and the only BOM/Group BOM fields that are configured as required are those that are consistently passed fromWindchill PDMLink to the SAP distribution targets.
The SAP BOM/Group BOM fields to be populated fromWindchill PDMLink data are not configured as locked.
Company codes and plants are configured.
The login used by the TIBCO connection has the appropriate roles assigned to it such as create material, change material, and create BOM.
Allowed material types for BOM/Group BOM header and items are maintained.
External assignment of line numbers is enabled.
Change management is enabled.
Versioning and revisioning flags for BOMs/Group BOMs are enabled.
TheWindchill PDMLink attribute values are cross-referenced with the SAP distribution target values.