50 Communication Control ToolkitEngineering Communication Control Toolkit Standard 5.01Operating system configuration requirementsDomain considerationsThe server cannot be a domain controller. It can be a stand-alone server within adomain.Remote Access ServicesCommunication Control Toolkit does not run on a server with RAS configuredor with a modem connected. Therefore, do not configure Remote AccessServices (RAS) or install a modem on the Communication Control Toolkitserver.Notes: If Remote Access Services is installed, the service must be in disabled state. Remote support with a directly connected modem is not possible. Nortelrecommends a Remote Support VPN be implemented for CommunicationControl Toolkit (see Chapter 6, “Setting up remote support with a VPN”).