You can follow following steps to make IIS application pools run as NETWORK SERVICE

1. Launch Internet Information Services (IIS) Manager tool, in the left-hand pane of the IIS Manager tool expand the machine node, and then click on the "Application Pools" node so that the application pools display in the main window of the management tool.
2. For ASP.NET 2.0/3.0/3.5 application select the "DefaultAppPool" application pool.  For ASP.NET v4 select the "ASP.NET v4.0" application pool.
3. Right-click on the selected application pool and choose "Advanced Settings"
4. Find the "Identity" row and then click "…" button
5. A dialog box called "Application Pool Identity" will popup.  Make sure Build in Account radio is checked and choose "Network Service" for the identity.
6. Click "Ok" to save the change.

Related posts:

1. Activating Server Core

Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information.

To fix this issue, put a config file next to your exe called <exename>.exe.config with the following content:

<configuration>
<startup useLegacyV2RuntimeActivationPolicy="true">
    <supportedRuntime version="v4.0"/>
</startup>
</configuration>

Or if your exe already has config file, just append following <startup> element to config file.

<startup useLegacyV2RuntimeActivationPolicy="true">
    <supportedRuntime version="v4.0"/>
</startup>

If your exe already has config file, just append following <startup> element to config file.

If you really want to knon more detail, check out Mark Miller’s post What is useLegacyV2RuntimeActivationPolicy for?

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1. Go to Site Settings > Site Collection Administration > SharePoint Designer Settings
2. Select Enable SharePoint Designer
3. Select Enable Detaching Pages from the Site Definition
4. Select Enable Customizing Master Pages and Page Layouts
5. Select Enable Managing of the Web Site URL Structure
6. Click the OK button to save the changes.

Related posts:

1. Install Office Web Apps on SharePoint 2010
2. How to Get Office Web Apps

1. Download the tools and emulator from http://developer.windowsphone.com
2. Using the tutorial from the Microsoft Channel9 Learning Center, build your first application.

More resources

windowsphone7.com
Windows Phone 7 Training Kit for Developers
Windows Phone Team blog
Windows Phone Sessions at MIX

Windows Phone 7 Jump Start video training

• Windows Phone 7 Jump Start (Session 1 of 12): Introduction
• Windows Phone 7 Jump Start (Session 2 of 12): Building a Silverlight Application, Part 1
• Windows Phone 7 Jump Start (Session 3 of 12): Building a Silverlight Application, Part 2
• Windows Phone 7 Jump Start (Session 4 of 12): Building Games for the Windows Phone 7 Platform
• Windows Phone 7 Jump Start (Session 5 of 12): Building XNA Games for the Windows Phone 7 Platform, Part 1
• Windows Phone 7 Jump Start (Session 6 of 12): Building XNA Games for the Windows Phone 7 Platform, Part 2
• Windows Phone 7 Jump Start (Session 7 of 12): Advanced Application Development, Part 1
  Windows Phone 7 Jump Start (Session 8 of 12): Advanced Application Development, Part 2
• Windows Phone 7 Jump Start (Session 9 of 12): Advanced Application Development, Part 3
• Windows Phone 7 Jump Start (Session 10 of 12): Marketing Your Windows Phone 7 Application
• Windows Phone 7 Jump Start (Session 11 of 12): Working with Media
• Windows Phone 7 Jump Start (Session 12 of 12): Final Silverlight Topics and Wrap-Up
• Windows Phone 7 Jump Start – Class Resources

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I did some testing and it turns out power management in windows server 2008 R2 causes this performance degrading. Windows Server 2008 R2 has 3 power plan

• Balanced (recommended)
• High Performance
• Power Saver

By default, Windows Server 2008 R2 sets the power plan to Balanced (recommended) power plan. This might prevent applications from fully utilizing available hardware resources.

Change Power Plan to High Performance and the performance degrade issue does no occur any more.

You can also checkout this post for Set the power configuration to High Performance in scripts.

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1. Exceed Windows Server 2008 R2 Trial Period
2. How to Install Hyper-V
3. Manage Hyper-V remotely from windows 7
4. Limitations you need know before installing Hpyer-V on laptop
5. Activating Server Core

Run Office Web Apps setup

1. From Office Web Apps CD, run Setup.exe
2. On the Enter your Product Key page, enter your product key, and then click Continue
3. Install Now to install to the default location
4. When Setup finishes, a dialog box prompts you to complete the configuration of your server. Be sure that the Run the SharePoint Products and Technologies Configuration Wizard now check box is selected and then click Close to start PSConfig.
5. If you left the Run the SharePoint Products and Technologies Configuration Wizard now check box selected in the previous step, on the PSconfig Welcome to SharePoint Products page, click Next
6. In the dialog box that notifies you that some services might have to be restarted or reset during configuration, click Yes.
   {{{LONG WAIT HERE}}}
7. On the Configuration Successful page, click Finish. Your new SharePoint site opens

Start the service instances

A service instance provides the physical location for a service application. You must start the service instances before you create the service applications and the service application proxies. You can start the service instances by using SharePoint Central Administration or by using Windows PowerShell.

Procedures in this task start the service instances on the server specified.

To start the service instances by using Central Administration

1. Click Start, point to All Programs, Microsoft SharePoint 2010 Products, and then SharePoint 2010 Central Administration.

3. On the SharePoint Central Administration home page, in System Settings, click Manage services on this server.

4. On the Services on server:<servername>page, start Excel Calculation Services (this might have been done earlier during previous steps), Word Viewing Service, and PowerPoint Service. The OneNote Web App does not use a SharePoint service.

Create the service applications and the service application proxies

After the service instances have been started, the service applications and the service application proxies which connect the SharePoint Web front-ends to the service applications must be created. You can create the service applications and the service application proxies for the Word, PowerPoint, and Excel Web apps by using Central Administration or by using Windows PowerShell. The OneNote Web App does not require a service application. After created, the service applications will run on started service instances automatically.

Procedures in this task will create the Office Web Apps service applications and service application proxies for the Word, PowerPoint, and Excel Web apps. This task can only be completed after you have started the service instances.

To create the service applications and the service application proxies by using Central Administration

1. Click Start, point to All Programs, Microsoft SharePoint 2010 Products, and then SharePoint 2010 Central Administration.
2. On the SharePoint Central Administration home page, in Application Management, click Manage service applications.
3. On the Service Applications page, click New, and then click Word Viewing Service.
4. In the Word Viewing Service Application dialog box, in Name, type Word Viewing Service Application. In Application Pool, select Use existing application pool, and then in the listbox, select SharePoint Web Services Default. In Add to default proxy list, verify Add this service application’s proxy to the farm’s default proxy list is selected (default), and then click OK.
5. On the Service Applications page, click New, and then click PowerPoint Service Application.
6. In the PowerPoint Service Application dialog box, in Name, type PowerPoint Service Application. In Application Pool, select Use existing application pool, and then in the listbox, select SharePoint Web Services Default. In Add to default proxy list, verify Add this service application’s proxy to the farm’s default proxy list is selected (default), and then click OK.
7. On the Service Applications page, click New, and then click Excel Services Application.
8. MIGHT BE ALREADY DONE: In the Excel Services Application dialog box, in Name, type Excel Services Application. In Application Pool, select Use existing application pool, and then in the listbox, select SharePoint Web Services Default. In Add to default proxy list, verify Add this service application’s proxy to the farm’s default proxy list is selected (default), and then click OK.

Activate the Office Web Apps Feature on a site collection on the Site collection features page

1. In a browser, in the SharePoint site, click Site Actions, and then click Site Settings.
2. On the Site Settings page, in Site Collection Administration, click Site Collection Features.
3. On the Features page, for Office Web Apps, click Activate.

Related posts:

1. Enable SharePoint Designer on SharePoint 2010 Site Collection
2. How to Get Office Web Apps
3. SkyDrive is Live with OneNote Sync
4. Windows Server Features or Role Services required by this product are not enabled
5. OneNote 2010 New Features

What are Office Web Apps?

Microsoft Office Web Apps are Microsoft Office Live products that exceed Office product experience to web browsers. Office Web Apps allow you access, edit or share Office documents from anywhere thru internet.

How can I get Office Web Apps?

For personal use, Office Web Apps are free for personal use ( with ADs). All web documents are stored in Windows Live SkyDrive. You will have a Windows Live ID in order to access your web documents. Checkout my previous post on how to Save OneNote directly to SkyDrive.

For business use, Office Web Apps can be deployed to SharePoint server 2010 sites. Detail installation guide can be download from Microsoft Microsoft Download Center

Which browsers are supported for Office Web apps?

• Internet Explorer 7 and 8
• Firefox 3.5
• Safari 4

Related posts:

1. SkyDrive is Live with OneNote Sync
2. Install Office Web Apps on SharePoint 2010
3. Windows Server Features or Role Services required by this product are not enabled
4. OneNote 2010 New Features
5. Sync OneNote 2010 notebooks to SkyDrive

Setup is unable to proceed due to the following error(s):
Windows Server Features or Role Services required by this product are not enabled. 
For a complete list, refer to the link below. For the list of pre-requisites needed to install the product please refer to:
http://go.microsoft.com/fwlink/?LinkId=106209
Correct the issue(s) listed above and re-run setup.
You can install all required prerequisites for this product by selecting the ‘Install software prerequisites’ option in the splash screen. See Help for more information.

Resolution

This is because Office Web Apps can only be installed on a server operation system.  Office Web Apps can only be installed on Windows 2008 Server x64 SP2 or R2 now. Also keep in mind Office Web App can only be installed after SharePoint Foundation 2010 or SharePoint server 2010 is installed.

Related posts:

1. Install Office Web Apps on SharePoint 2010
2. How to Get Office Web Apps
3. OneNote 2010 New Features
4. SkyDrive is Live with OneNote Sync
5. Sync OneNote 2010 notebooks to SkyDrive

1. NetFx2-ServerCore
2. NetFx3-ServerCore
3. MicrosoftWindowsPowerShell

Because Powershell is built on DotNet framework, DotNet 2.0 and 3.5  has to be installed prior to PowerShell installation.

To install PowerShell from command line, run following from elevated command prompt

DISM.exe /online /enable-feature /featurename:NetFx2-ServerCore DISM.exe /online /enable-feature /featurename:NetFx3-ServerCore DISM.exe /online /enable-feature /featurename:MicrosoftWindowsPowerShell

Or run following command if it’s an 64bit machine

DISM.exe /online /enable-feature /featurename:NetFx2-ServerCore-WOW64 
DISM.exe /online /enable-feature /featurename:NetFx3-ServerCore-WOW64 
DISM.exe /online /enable-feature /featurename:MicrosoftWindowsPowerShell-WOW64 

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1. Enable DotNet 3.5 from command line

dism.exe /online /enable-feature /featurename:NetFx3

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3. Could not load type System.ServiceModel.Activation.HttpModule