Scm service windows

The system simply reports that the boot was successful after the first user has logged on. You can supply a boot verification program that checks the system for problems and reports the boot status to the SCM using the NotifyBootConfigStatus function. After a successful boot, the system saves a clone of the database in the last-known-good LKG configuration. The system can restore this copy of the database if changes made to the active database cause the system reboot to fail.

The following is the registry key for this database:. If the LKG configuration is already being used, the boot fails. By clicking sign up, you agree to receive emails from Techopedia and agree to our Terms of Use and Privacy Policy. Service Control Manager SCM is a special process under the Windows NT family of operating systems that starts and stops Windows processes, including device drivers and startup programs. Its main function is to start all the required services at system startup.

It is launched by the Winint process on system boot. Service Control Manager is a process started on Windows NT-based operating systems that launches the various Windows services. These services include device drivers and other various housekeeping tasks. SCM is similar to the init process on Unix-like systems that launches the various system daemons, or the newer systemd init system used on modern Linux distributions. Go to Digital Services.

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Back Lines for automation systems Machines for automation systems. Back Throughfeed moulders. Back Angular machining centres for windows and doors Windows and doors integrated lines Machining cells for windows and doors. Back Double-sided squaring and tenoning machines Profiling machine for flooring. The following diagram shows the valid transitions. However, if a service reports a transition that is not valid, the SCM does not fail the call. The following diagram shows service state transitions in more detail, including the control requests initiated by a service control program the service client and the SetServiceStatus calls that a service makes to report state changes to the SCM.

As mentioned earlier, the SCM sends only control requests that the service has specified it will accept, so a service might not receive all of the requests shown in the diagram. Skip to main content. This browser is no longer supported.