Awinish's

I was looking for the performance tuning guidelines and was surprised it already exists without being noticed by me. I thought of sharing with others, so they can be benefited too.

Performance Tuning Guidelines for Windows Server 2008 R2

Choosing and Tuning Server Hardware
Performance Tuning for the Networking Subsystem
Performance Tuning for the Storage Subsystem
Performance Tuning for Web Servers
Performance Tuning for File Servers
Performance Tuning for Active Directory Servers
Performance Tuning for Remote Desktop Session Host (formerly Terminal Server)
Performance Tuning for Remote Desktop Gateway
Performance Tuning for Virtualization Servers
Performance Tuning for File Server Workload (NetBench)
Performance Tuning for File Server Workload (SPECsfs2008)
Performance Tuning for Network Workload (NTttcp)
Performance Tuning for Remote Desktop Services Knowledge Worker Workload
Performance Tuning for SAP Sales and Distribution Two-Tier Workload
Performance Tuning for TCP-E Workload

Updated later

Performance Tuning for Web Servers” – Updated guidance to reflect that Http.sys manages connections automatically.
Performance Tuning for File Servers” – Fixed typos in NFS Server tuning parameter registry keys.
Performance Tuning for Virtualization Servers” – Added information about Dynamic Memory tuning.
Performance Tuning for TPC-E Workload” – Clarified tuning guidance.

http://msdn.microsoft.com/en-us/windows/hardware/gg463392

Performance Tuning Guidelines for Windows Server 2008(Updated for SP2)

Performance Tuning for Server Hardware
Performance Tuning for Networking Subsystem
Performance Tuning for Storage Subsystem
Performance Tuning for Web Servers
Performance Tuning for File Servers
Performance Tuning for Active Directory Servers
Performance Tuning for Terminal Server
Performance Tuning for Terminal Server Gateway
Performance Tuning for Virtualization Servers
Performance Tuning for File Server Workload (NetBench)
Performance Tuning for Network Workload (NTttcp)
Performance Tuning for Terminal Server Knowledge Worker Workload
Performance Tuning for SAP Sales and Distribution Two-Tier Workload

http://msdn.microsoft.com/en-us/windows/hardware/gg463394

http://blogs.technet.com/b/josebda/archive/2010/08/27/performance-tuning-guidelines-for-windows-server-2008-r2.aspx

One of the tool from the Codeplex which will help you to analyze the logs.

http://pal.codeplex.com/