Ukoliko se ne urdi pravilna migracija sa jednog domaćina na drugog, samim tim se menja i MAC adresa virtualne lan kartice.

Ili ukoliko uklonite virtualnu LAN karticu kojoj je podešen IP  i ponovo je vratit virtualna mašina će i dalje pamtiti predhodnu i podešavanje predhodne konekcije, i dobijaće te grešku:

Microsoft TCP/IP – The IP address xxx.xxx.xxx.xxx  you have entered for this network adapter is already assigned to another adapter “Microsoft Virtual Machine Bus Network Adapter”. “Microsoft Virtual Machine Bus Network Adapter” is hidden from the Network Connections folder because it is not physically in the computer. If the same address is assigned to both adapters and they both become active, only one of them will use this address. This may result in incorrect system configuration.
Do you want to enter a different IP address for this adapter in the list of IP addresses in the Advanced dialog box?
Yes/No

Da bi rešili problem potrebno je da na virtualnoj mašini u CMD unesete:

set devmgr_show_nonpresent_devices=1
start devmgmt.msc

u “Computer Management”-u u View meniju odabrati opciju “Show hidden devices”.

Pronaći sakrivene mrežne adaptere i obrisati ih.

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