How to Install and Configure Microsoft SharePoint Server 2007?

I'm using this link to install Microsoft Share-Point Server 2007 in my environment.
It is a single server installation.

Here is the Link:
(http://vspug.com/bobbyhabib/2007/09/17/how-to-install-sharepoint-server-2007-on-a-single-machine/)

Software and Hardware Requirement of SharePoint Server 2007

1).One front-end server and one back-end server 
2).Front-end server- 2.5 GHz CPU and 2GB RAM
3).Back-end server -2.0 GHz CPU and 2.GB RAM
4).Windows 2003 (Web Edition, Standard Edition, Enterprise Edition,Data Center Edition) with Service Pack1
5).Microsoft .Net framework 2.0
6).Microsoft .Net framework 3.0
7).IIS (Internet Information Service) 6.0 or later.
8).NTFS (New Technology File System).Cannot run in FAT32(File Allocation table).
9).Microsoft SQL server 2005 or Microsoft SQL server 2000

Fix Sharepoint Error

Failed to start the database service MSSQL$OfficeServers.  Repair this product by selecting it from the Add/Remove Programs menu.


If you get this error when you configure sharepoint product and technologies wizard.You can fix just like this:
Go to Regedit: change just like this-

(HKLM/Software/Microsoft/Shared Tools/Web Server Extensions/12.0/WSS/ServerRole) is set incorrectly.  It was set to SINGLESERVER.

I changed ServerRole’s value from SINGLESERVER to APPLICATION