Installation and Maintenance Guide for Windows 2003 109July 2007 Preparing the server for your installationThird-party software on the serverIntroductionDue to the mission-critical, real-time processing performed by Symposium CallCenter Server, you must not install any other application class software on theserver. You can install certain utility class software on the server, providing itconforms to the guidelines listed in the following section. Application class software generally requires a certain amount of systemresources and, therefore, must not be installed on any server runningSymposium Call Center Server. The installation of application class third-party applications may cause a real-time system, such as Symposium CallCenter Server, to operate outside of the known engineering limits and,therefore, create potential unknown system problems (for example, CPUcontentions, increased network traffic loading, disk access degradations,and so on). Certain third-party utility class software applications, such as hardwarediagnostics, generally require less system resources during the normaloperation of Symposium Call Center Server and, therefore, are permitted.Exceptions are utilities such as screen savers, which may cause systemproblems and degrade performance. Antivirus software is classified as autility and is subject to the following generic guidelines, as well as aspecific series of recommendations detailed in “Additional guidelines foruse of antivirus software” on page 111.Note: Nortel does not support connection to Symposium Call Center Serverthrough a Citrix environment. However, you can now access Symposium WebClient and Agent Desktop Displays through Citrix MetaFrame XPbenvironment.Guidelines for utility class software applications The utility must not reduce the hard disk space available to SymposiumCall Center Server and the Windows Server 2003 operating system belowthe minimum required. The installation or uninstallation of the third-party software should notimpact or conflict with the Symposium Call Center Server software (for