1. A method for provisioning a virtualized resource in a mixed-use virtualization environment, the method comprising: directing, by a provisioning machine, a hypervisor executing on a server, to provision a virtual machine on the server; directing, by the provisioning machine, generation of a first organizational unit within a multi-tenant directory service separated from a second organizational unity in the a multi-tenant directory service by a firewall; associating, by the provisioning machine, the virtual machine with the first organizational unit; establishing, by the provisioning machine, at least one firewall rule on the virtual machine restricting communications to the virtual machine to communications from explicitly authorized machines, the explicitly authorized machines including at least one other machine within the first organizational unit; receiving, by the provisioning machine, from a management component, a request to provision a virtualized resource for at least one user within an organization, the request received after the provisioning of the virtual machine and generation of the first organizational unit; updating, by the provisioning machine, data associated with the first organizational unit to include an identification of the at least one user; and directing, by the provisioning machine, the virtual machine to host the virtualized resource.