As of SRM Release 3.0 and CRM Release 4.0, this note provides a revised version of the integration of HR master data (organizational model and employee) with the business partner (in the roles of employee and organizational unit). This note is valid for both scenarios with an ALE distribution of HR master data and for standalone scenarios. Reason and Prerequisites
Note the corrections in the "Related notes" section.
For versions lower than CRM Release 4.0 or SRM Release 3.0, see Note 390380.
The integration of existing structures between an HR system and your CRM or SRM system is not supported. Solution
https://service.sap.com/sap/support/notes/550055 (SAP Service marketplace login required)