The IIS Admin Service (IISADMIN) allows administration of Internet Information Services (IIS) components such as FTP, application pools, websites, web service extensions, and Network News Transfer Protocol (NNTP) and Simple Mail Transfer Protocol (SMTP) virtual servers. If you stop or disable this service, you cannot run web, FTP, NNTP, or SMTP sites.

The IIS Admin Service is not installed by default. It is installed when you install IIS an optional feature of the operating system. After this service is installed, its startup type is Automatic. When the IIS Admin Service is started, it logs on by using the Local System account by default.

The IIS Admin Service is dependent upon the following system components:

• HTTP
• Remote Procedure Call (RPC)
• DCOM Server Process Launcher
• RPC Endpoint Mapper
• Security Accounts Manager