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Secondary Logon (System Services for the Windows Server 2003 Family and Windows XP Operating Systems)

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Service Name: seclogon

Executable Name: svchost.exe -k netsvcs

Log On As: LocalSystem

Description: The Secondary Logon service enables the starting of processes that run under alternate administrative credentials so that the user can create processes in the context of different security principals. A common use of this service is for administrators to log on as a restricted user and then use Secondary Logon to temporarily run an application as Administrator.

Another feature of this service is the Runas command. Using the Runas command, you can run programs (*.exe files), saved MMC consoles (*.msc files), shortcuts to programs, or Control Panel items as an Administrator while you are logged on to your computer as a member of another group, such as the Users or Power Users group. As long as you provide the appropriate user account and password information, the user account has the ability to log on to the computer, and the program, MMC console, or Control Panel item is available on the system and to the user account.

noteNote
In Windows 2000, this services was called the RunAs Service.

If this service is stopped or disabled, the Run as snap-in generates the error message, “Windows cannot access the specified device, path or file. You may not have the appropriate permissions to access them.” Any calls to the CreateProcessWithLogonW API fail. Specifically, this causes the Run as snap-in and the run as command to function improperly.

Available on: Windows Server 2003, Standard Edition; Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition and Windows Server 2003, Web Edition.

Installed through: Default operating system installation

Startup type: Automatic

Service status: Started

This service depends on the following system components:

None

The following system components depend on this service:

None

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