These are my links for 5 mag 2011 through 7 mag 2011:

• 500 Internal Server Error – 500 Internal Server Error
• Security Event Descriptions – This article contains descriptions of various security-related and auditing- related events, and tips for interpreting them. <br />
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  These events will all appear in the Security event log and will be logged with a source of "Security."
• Windows Server 2008 R2 and Windows Server 2008 technical documentation, downloads, and additional resources – Windows Server 2008 R2 and Windows Server 2008 are the most advanced Windows Server operating systems yet, designed to power the next generation of networks, applications, and Web services. With these operating systems you can develop, deliver, and manage rich user experiences and applications, provide a highly secure network infrastructure, and increase technological efficiency and value within your organization.<br />
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  (LOL)