I just installed 3 VM's with fresh installs of CentOS6/Zimbra8 in preparations of migrating old servers to them. They do not have any users or domains configured to them yet, so they should be doing essentially nothing. When I came in this morning all 3 of them had all of their CPU's (4 each) pegged at 100%.

Any ideas why this would happen? Could I have screwed something up during the install?

Thanks for your input.