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Special Administration Console Helper (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: Sacsvr

Executable Name: svchost.exe -k netsvcs

Log On As: LocalSystem

Description: You can use the Special Administration Console (!SAC) Helper service to perform remote management tasks if Windows Server 2003 stops functioning because of a Stop error.

The main functions of !SAC are to:

  • Redirect Stop error message explanatory text.

  • Restart the system.

  • Obtain computer identification information.

The Special Administration Console (!SAC) Helper service is an auxiliary Emergency Management Services command-line environment that is hosted by Windows Server 2003. It also accepts input and sends output through the out-of-band port. !SAC is a separate entity from both the Special Administration Console (SAC) and Windows Server 2003 command-line environments. After a specific failure point is reached, Emergency Management Services components determine when the shift should be made from SAC to !SAC. !SAC becomes available automatically if SAC fails to load or is not functioning.

If this service is stopped or disabled, !SAC services are not available.

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: Manual

Service status: Stopped

This service depends on the following system components:


The following system components depend on this service:


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