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IIS - Services

What is services?
They are programs that run in the background performing core operating system functions usually without interaction from users.


Most services start automatically when the computer boots up but Windows starts some services only when they are needed. Services that aren’t being used can be disabled to reduce the attack surface and maintenance surface of your Web server. However, some services rely on other services being up and running to function properly so understanding all of the dependencies is important before you disable a service.

An easy way to access services:
1.Go to Windows logo key Picture of the Windows logo key+R
2.Type services.msc

If IIS components are installed on the computer you should see them in the MMC Services snap-in:


The snap-in is a great tool for managing a Web server at the services level.Below services behind IIS

ServiceDisplay NameDescriptionExecutableDefault Startup
IISADMINIIS Admin ServiceFor IIS 6.0 metabase configuration compatibilityinetinfo.exeAutomatic
W3SVCWorld Wide Web Publishing ServiceProvides Web connectivity and administration through IIS Managersvchost.exeAutomatic
WMSVCWeb Management ServiceEnables remote management of a Web server.wmsvc.exeManual
WASWindows Process Activation ServiceProvides process activation, resource and health management services for message-activated applicationssvchost.exeManual
AppHostSVCApplication Host Helper ServiceStores configuration history and application pool mapping in history subdirectories at set intervals.svchost.exeAutomatic
MSFTPSVCFTP Publishing Service 6Enables IIS 6 Web servers to be File Transfer Protocol (FTP) serversinetinfo.exeManual
FTPSVCFTP Publishing ServiceEnables IIS 7 Web servers to be File Transfer Protocol (FTP) servers.svchost.exeManual

Many IIS services are required or have interdependencies that when missing or disabled could prevent your Web site from working properly. So until you are real sure you understand all of the ramifications of managing Windows roles and applications at the service level.

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