TAILIEUCHUNG - Developing a Windows Service

In this chapter, you will learn about the Windows Services, previously known as NT Services. A Windows service is any application that needs to execute for long periods of time in its own session on a server. A Windows service starts without any intervention from a user when the server’s operating system boots, and it can authenticate using either the local SYSTEM account or a domain user’s account; in this way the Windows service can use the security context that best fits its purpose. The Windows Services also include software applications that have no interaction with the screen on the server where they are executed, such as. | Q A MCAD MCSD MICROSOFT CERTIFIED APPLICATION DEVELOPER MICROSOFT CERTIFIED SOLUTION DEVELOPER 2 Developing a Windows Service CERTIFICATION OBJECTIVES Creating and Manipulating a Windows Service Writing Code That Is Executed When a Windows Service Is Started or Stopped Two-Minute Drill Self Test 2 Chapter 2 Developing a Windows Service In this chapter you will learn about the Windows Services previously known as NT Services. A Windows service is any application that needs to execute for long periods of time in its own session on a server. A Windows service starts without any intervention from a user when the server s operating system boots and it can authenticate using either the local SYSTEM account or a domain user s account in this way the Windows service can use the security context that best fits its purpose. The Windows Services also include software applications that have no interaction with the screen on the server where they are executed such as an e-mail service or a web service. Note that at this time support for Windows developing Services is available only in the Enterprise Edition. Support is not available in the Standard Edition of Visual Studio .NET. The examples in this chapter are written using the Enterprise Edition of Visual Studio .NET. CERTIFICATION OBJECTIVE Windows Services The Windows Services technology is one of the important building blocks that you will use when building applications that must always run on the server and that perform services for many users. Examples of Windows services are applications such as Internet Information Services IIS the Tardis clock service and Microsoft Simple Mail Transport Protocol SMTP . These services all run in the background perform services for potentially many users or systems and have no user interface. Windows services are managed through management applications that are specifically written to interact with them or you can use the Services application that is available from the .

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