System and Application Softwares
Microsoft Windows, Azure and Office Suite
Service Control Manager
Service Control Manager (SCM) is a special system process under the Windows operating systems, which starts, stops and interacts with Windows service processes.
This application lives in the system directory %WinDir%\System32 (32bit), or %WinDir%\SysWOW64 (64 bits)
The SCM maintains a database of installed services in the registry. The database is used by the SCM and programs that add, modify, or configure services. The following is the registry key for this database:
This key contains a subkey for each installed service and driver service. The name of the subkey is the name of the service, as specified by the CreateService() function when the service was installed by a service configuration program. An initial copy of the database is created when the system is installed. The database contains entries for the device drivers required during system boot. The database includes the following information about each installed service and driver service:
In the windows registry, CurrentControlSet is an alternating symbolic link to either ControlSet001 or ControlSet002. It always points to the ControlSet that is currently loaded.
ControlSet001 may be the last control set you booted with, while ControlSet002 could be what is known as the last known good control set, or the control set that last successfully booted Windows
Actual symbolic link match is in: HKEY_LOCAL_MACHINE\SYSTEM\Select\.
The most valuable and reliable control set is CurrentControlSet. If you need to modify system settings in the Registry, CurrentControlSet is the best subkey to choose because you know that it is the correct control set.
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