"Active Directory duplicate records for failover cluster and storage cluster" What you mean by duplicate record?   There should not be duplicate record. For example   HX Cluster namecisco-hx-cl01.domain.comHyperV Cluster namecisco-hv-cl01.domain.co...

Cluster HX management ip 

It starts from Firmware 1.4(2).

Hi Terence,You can renumber the chassis now. Check the following document for the procedure to do that.http://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/1.4/UCSM_GUI_Configuration_Guide_1_4_chapter38.html#task_7CE3D4DF1CEF42A2...