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.
To do this, follow these steps: 1  Restart your computer, and then press F8 during the restart process to open the Advanced Boot Options menu. 2  Select the option on the menu to repair your computer. 3  Select Administrator, and then press ENTER. 4  Go to step 4 in Method 1 or Method 2. Note When you receive the Press any Key to boot from the CD or DVD prompt, press any key on the keyboard to restart your computer by using the Windows Vista DVD. 2  Select your language setting, and then click Next. 3  Select Repair your computer.