If you have access & permissions to do so, you can change to a Workgroup. The specific instructions would depend on what operating system you are using - but if you don't know how, are you certain you shouldbe doing this?
Last Wiki Answer Submitted: March 15, 2013 10:25 pm by AndreaF6,200 pts.
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What AD is it part of? What business problem is resolved by removing it? — Tom
You should ask your IT department to do it.
Very good articles shared on the same.Have a look at this link,http://technet.microsoft.com/en-us/library/gg195749(v=ocs.14).aspxHope it helps you.