Configure AJAX Control Toolkit in the Sharepoint 2007 in Windows server 2003 or Windows server 2008 R2

AJAX has been working in the SharePoint 2007 with windows server 2003.

So we migrated the above share point code and installed share point 2007 with windows server 2008 R2, but AJAX is not working in the new environment, after that I researched lot of articles  long long hours for trouble shooting and apply in the below steps

Steps

1.Installing Correct one of the AJAX setup(e.g 1.0,3.0, etc)

2.Modifying Port web config

3.Amend Master Page with script Code

4. Move .JS related files to Layout folders(i missed this step, I face issue then i fixed it)

<ajaxToolkit:ToolkitScriptManager EnablePartialRendering="true" runat="server" ID="ScriptManager1" />

For enabling Ajax in SharePoint 2007, We need first to configure SharePoint Portal to support AJAX. We can do it in following way -

• Installing ASP.NET AJAX on servers in your farm
• install the full " AJAX Extensions " from

ajax.asp.net

• Download ajextoolkit -

http://ajaxcontroltoolkit.codeplex.com/releases/view/11121

• Configure SharePoint to support AJAX & AjaxControlToolkit –
  For enabling Ajax in SharePoint 2007, you need first to configure SharePoint to support AJAX. For this we need to add some configuration settings in web.config file.Locate your default web.config file ("C:\Inetpub\wwwroot\wss\VirtualDirectories\YourWebAppPortNo\web.config").