Solution : https://service.sap.com/sap/support/notes/576245 (SAP Service marketplace login required)
Key words : 
-> production -> function/allocation configuration -> create volume allocation server group -> assign server group, balancing -> create contractual allocation server group -> assign server group, manual entry unrestricted solution                             faq                                                                     1q, contractual allocation frequently asked question note, manual entry unrestricted allocation method, contractual allocation frequently-asked questions, manual entry unrestricted network, target server group, terms contractual allocation faq, specific server group
Related Notes : 
       
| 377069 | Release restrictions: Release IS-OIL/IS-MINE 4.6C |