Session Manager Subsystem

Session Manager Subsystem, or smss.exe, is a component of the Microsoft Windows NT family of operating systems, from Windows NT 3.1 to Windows 7 and Windows Server 2008 R2. It is executed during the startup process of those operating systems. At this time it:

  • Creates environment variables.
  • Starts the kernel and user modes of the Win32 subsystem. This subsystem includes win32k.sys (kernel-mode), winsrv.dll (user-mode), and csrss.exe (user-mode). Any other subsystems listed in the Required value of the HKLMSystemCurrentControlSetControlSession ManagerSubSystems Registry key are also started.
  • Creates DOS device mappings (e.g. CON:, NUL:, AUX:, COM1:, COM2:, COM3:, COM4:, PRN:, LPT1:, LPT2:, LPT3:, and drive letters) listed at the HKLMSystemCurrentControlSetControlSession ManagerDOS Devices registry key. This can be used to create permanent subst drives.
  • Creates virtual memory paging files.
  • Starts winlogon.exe, the Windows logon manager.

After the boot process is finished, the program resides in memory and can be seen running in the Windows Task Manager. It then waits for either winlogon.exe or csrss.exe to end else Windows will shut down. If the processes do not end in an expected fashion, smss.exe may hang the system.

Other articles related to "manager":

Nils Arne Eggen
17 September 1941) is a Norwegian former footballer, manager and teacher from Orkdal ... He is Norway's most successful club manager, having won the Norwegian Premier League fifteen times and the Norwegian Football Cup six times as a manager ... In 1971, Eggen became manager of Rosenborg, winning the league in his inaugural season ...
Jim Leyland
... December 15, 1944) is a Major League Baseball manager, currently with the Detroit Tigers ... in the 2006 American League Championship Series, Leyland became the seventh manager in history to win pennants in both the National and American Leagues ... He is a three-time Manager of the Year Award winner, twice in the National League (1990 and 1992), and once in the American League in 2006 ...
Jim Leyland - Pittsburgh Pirates
... Leyland was the manager of the Pittsburgh Pirates from 1986 to 1996 ... He won two Manager of the Year trophies with the Pirates in 1990 and 1992, and finished as runner-up in 1988 and 1991 ... with the Pirates, Terry Collins, the manager of the New York Mets, wears number 10 to honor Leyland ...
Key Management Commercial Systems
... and Java Servers Venafi Encryption Director HP Enterprise Secure Key Manager IBM Tivoli Key Lifecycle Manager Oracle Key Manager QuintessenceLabs Key Manager RSA Data Protection Manager Safenet ...
Kirk Gibson
1957) is an American former Major League Baseball player and current manager of the Arizona Diamondbacks ... He became the Diamondbacks' bench coach in 2007, and was promoted to interim manager in 2010 following the midseason dismissal of A ... removed the "interim" label, naming Gibson their manager for the 2011 season ...

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