surfactant surÂ·facÂ·tant (sÉr-fÄk'tÉnt, sÃ»r'fÄk'-) n. A surface-active substance. A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and serves to maintain the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung.
The Microsoft Exchange Information Store service uses a database engine called Extensible Storage Engine (ESE), which is a transaction-based database technology. In some troubleshooting instances or when moving from mixed to native mode, you may need to restart the Microsoft Exchange Information Store service. Procedure. To restart the Microsoft Exchange Information Store service. On the Start menu, click Run, type services.msc, and then click OK. In the Results pane, find the Microsoft Exchange Information Store service. Right-click the service, and then click Restart.
Restarting the SQL Server Database Service and SQL Server Agent Services Most Microsoft SQL Server configuration options can take effect immediately, but a few require the service to be restarted. To stop and restart the SQL Server service or SQL Server Agent service, right-click the service under Registered Servers or Object Explorer, and then click Start/Stop Service and Change Accounts. Use SQL Server Configuration Manager to stop and restart the service. The following configuration options require restarting the service: 1  Startup parameters such as trace flags. 2  Server authentication mode.