The office I began to do some IT work in had a 6 year old Dell server running Windows Server 2008. The server had all sorts of hardware issues - long story short one of the CPU's failed and the server's dead now.
We bought a new server and are moving the OS to CentOS because Linux is a much more familiar environment and is easier to administrate for the current staff (it is a small office and there are only about 30 computers at most at any time on the network).
I want to essentially entirely wipe all AD records so that I can start over and build up a new system entirely. Would a AD tool be useful at all if I just disabled everything? At that point, how would I gain administrative access to the computer since I have no records of what the previous IT people did?