Let??™s step through this process now.
BEST PRACTICES ACCORDING TO MICROSOFT
Understanding exactly how Microsoft is handling licensing for OCS 2007 is
important. For example, simply owning either Standard Edition or Enterprise
Edition does not entitle you to all the features of that particular version. For
instance, if you want to use the voice features of OCS, you must have an
Enterprise Client Access License (eCAL). It??™s also important to note that if you
already own Live Communications Server (LCS) 2005 with Software Assurance,
you may be entitled to certain upgrade rights. Check with your licensing vendor
for more details.
70 Chapter 3 ??? Installing the First OCS 2007 Front-End Server
SOME INDEPENDENT ADVICE
Before performing the following functional level changes, for your own
sake make sure that your environment is ready to support a Native Windows
2003 environment. This is a nonreversible process. For more information on
functional levels, visit www.petri.co.il/understanding_function_levels_in_windows_
2003_ad.htm.
Figure 3.1 Raising the Domain Functional Level
First, you need to raise the domain functional level. To do this, complete the following steps:
1. From a domain controller, click Start | Administrative Tools | Active
Directory Users and Computers.
2. Right-click on the name of your domain, and select Raise Domain Functional
Level from the drop-down menu.
3. Under Select an available domain functional level:, choose Windows
Server 2003.
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