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 Open the Microsoft Account Password Reset page from any browser on any computer or device, even your smartphone. 2  Choose I forgot my password from the short list of options and then tap or click Next. 3  In the first field, with the someone@example.com example, enter the email address you use as your Microsoft account. You could have used any email address to sign up for your Microsoft account. 2  Open the Microsoft Account Password Reset page from any browser on any computer or device, even your smartphone. 3  Choose I forgot my password from the short list of options and then tap or click Next.