Which three logs can be reviewed to troubleshoot a vCenter Server upgrade failure? (Choose three.)

A.
vminst.log

B.
vim-vcs-msi.log

C.
pkgmgr.log

D.
vc-upgrade.log

E.
firstboot.log

Explanation:

Reference: http://kb.vmware.com/selfservice/microsites/search.do?
language=en_US&cmd=displayKC&externalId=2007864