Server Prerequisites and Licensing Considerations

SharePoint Foundation 2010 or SharePoint Server 2010 Standard or Enterprise is required to use Office Web Apps. As discussed later in this chapter, in the section “Installing and Configuring Office Web Apps for SharePoint 2010,” a separate set of installation files need to be downloaded. Server prerequisites are listed in Table 27.1.

Table 27.1. Server Prerequisites

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As defined by Microsoft on TechNet in the “Deploy Office Web Apps (Installed on SharePoint 2010 Products)” article (http://technet.microsoft.com/en-us/library/ff431687.aspx): “Office Web Apps are available to business customers with Microsoft Office 2010 volume licensing and document management solutions that are based on Microsoft SharePoint 2010 Products.”

Organizations interested in using Office Web Apps in their environments still need to comply with Microsoft licensing policies, which can be found on the following site: http://www.microsoftvolumelicensing.com/userights/default.aspx. The legalese used makes a full understanding of appropriate usage difficult; however, several statements in the Excel Web App 2010 section shed light on some key concepts:

• “If you comply with your volume license agreement, including these product use rights and the Product List, you may use the software and online services only as expressly permitted in these product use rights.”

• “You may not host the products for commercial hosting services.”

From an organization standpoint, it is clear that existing product use rights (such as use of other Office products) still apply to the Office Web App (in this case, Excel Web App 2010) and some homework may be required to ensure that the organization is meeting the terms of the volume license agreement.

Note

In plain English, for a properly licensed organization to use Office 2010 core applications, including Word, Excel, and PowerPoint, and have appropriate licenses for SharePoint 2010, there should not be an extra cost to use Office Web Apps. However that organization cannot allow external users to use the Office Web Apps feature without incurring liability on the licensing side, which would most likely include having to purchase any SharePoint CALs and Office 2010 CALs for these external users. For this reason, IT decision makers should carefully consider whether to enable the Office Web Apps feature, and if so, for which libraries and site collections.

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