Referencias interesantes sobre Excel Services

Excel Services Technical Overview

http://msdn.microsoft.com/en-us/library/aa972194.aspx

The basics of using Kerberos in a Sharepoint environment.

http://www.windowsecurity.com/articles/Kerberos-Sharepoint-Environment.html

Algunos tutoriales de uso de Excel Services

Setting up the Server – Step 1: Creating a Trusted Location with Excel Services

Setting up the Server – Step 2: Configuring Single Sign-On for Excel Services

Setting up the Server – Step 3: Creating a Trusted Data Connection Library with Excel Services

Building a Report Based on Cube Functions for Excel Web Access

Protecting Workbook Intellectual Property (IP) with View Item Rights

Using OLAP Formulas, Conditional Formatting, and Charts

Building an OLAP PivotTable Report with Excel Services

Building a Relational PivotTable Report with Excel Services

Building a Report with a Chart for Excel Web Access Based on Cube Functions

Creating a Multi-Report Summary Page of Reseller Sales Data

How to configure SharePoint Server 2007 and Excel Services for Kerberos authentication

http://support.microsoft.com/kb/953130/en-us

Configuring Kerberos for SharePoint 2007: Part 1 – Base Configuration for SharePoint

http://blogs.msdn.com/martinkearn/archive/2007/04/23/configuring-kerberos-for-sharepoint-2007-part-1-base-configuration-for-sharepoint.aspx

Configuring Kerberos for SharePoint 2007: Part 2 – Excel Services and SQL Analysis Services

http://blogs.msdn.com/martinkearn/archive/2007/04/27/configuring-kerberos-for-sharepoint-2007-part-2-excel-services-and-sql-analysis-services.aspx