In this post we discuss removing windows clients (xp, etc.) from a domain that no longer exists, or which you no longer have access.
In the course of migrating a small group of computers to a new Linux server running file and print services, I realized that I had to first remove the client machines from a windows domain that no longer existed due to catastrophic hardware failure.
While I had local administrative access, I could not change the clients to workgroup membership, as this step requires authenticating to the domain as an domain administrator.
What to do: Recreate the domain temporarily, and remove the clients from the domain.
On the server side:
On the client side:
That’s all there is to removing the client from domain membership.