249Appendix BConfiguration ExamplesContents "Introduction" (page 249)"Standard Edition" (page 249)"Enterprise Edition" (page 275)"Host Authorization" (page 283)"Routing" (page 284)"Configuring DNS" (page 286)"Active Directory configuration" (page 288)"Installing and configuring MCM" (page 289)"Signaling Server checklist" (page 292)"Configuring NRS" (page 293)Introduction As described in the Planning and Engineering chapter, small, medium,and large networks require different editions of Office CommunicationsServer (OCS) 2007. This appendix contains configuration examples for bothStandard Edition and Enterprise Editions of OCS 2007.Standard EditionThis section provides information on how to configure and troubleshoot theConverged Office solution running the Standard Edition OCS 2007. Thissample configuration is for a small network deployment.Nortel Communication Server 1000Nortel Converged Office Fundamentals — Microsoft Office Communications Server 2007NN43001-121 01.03 StandardRelease 5.0 30 April 2008Copyright © 2005–2008, Nortel Networks.