Before you grab your MOSS 2007 CD or download and run the installer, there are a number of items you must consider:
Standard versus Enterprise Editions
The following sections discuss each of these points in more detail, ensuring that you have the necessary knowledge to move forward and enjoy a successful installation.
The following licensing information is for guidance only. You should consult with your local Microsoft licensing specialist to obtain the latest and most appropriate licensing information for your individual situation.
Unlike its predecessor, MOSS 2007 comes in two versions, Standard and Enterprise, which vary significantly in the feature sets offered. When you install MOSS, the only difference between the two versions during the process is the product key that you specify. You can always install the Standard version and upgrade at a later date by entering an Enterprise Edition product key (once you purchase Enterprise Edition client access licenses for all of your users), but you cannot downgrade from Enterprise Edition to Standard Edition.
It can sometimes be difficult to determine exactly which licenses you need. Currently, in order to properly license MOSS 2007 from Microsoft, you must purchase both the server licenses and the individual client access licenses, or CALs. This means that for every MOSS 2007 server you bring online, you must have a valid server license, and for each client ...