ESXi 7.x
ESXi 8.x
The ESXi Host Logs show one or both of the following errors, regarding one or both of the iSCSI vmkernel Adapters:
/var/log/hostd.log:
YYYY-MM-DDTHH:MM:SS.ZZ info hostd[4810468] [Originator@6876 sub=Vimsvc.ha-eventmgr] Event 538238 : A duplicate IP address was detected for ##.##.##.## on the interface vmk#. The current owner is ##:##:##:##:##:##.
--> eventTypeId = "esx.problem.net.vmknic.ip.duplicate",
/var/log/vmkernel.log:
YYYY-MM-DDTHH:MM:SS.ZZ cpu4:10041605)Tcpip_Vmk: 124: arp: ##:##:##:##:##:## is using my IP address ##.##.##.## on vmk#!
Multiple devices sharing the same IP will result in communication issues see KB Duplicate IP address detected for more details