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.
1 Close Command Prompt. 2  Login with the new password you set in Step 7! 3  Now that your Windows 8 password has been reset and you're back in, either create a Windows 8 password reset disk or switch your local account to a Microsoft account. Remove any flash drives or discs that you may have booted from in Step 1 and then restart your computer. 2  Once the Windows 8 logon screen is available, click the Ease of Access icon at the bottom-left corner of the screen. 3  Command Prompt should now open.