Windows fax e mail notification

The fax service and the local logged-on user running a fax client application run on different desktops. Because notification messages do not cross desktops, the Services application in Control Panel must have the Allow Service To Interact With Desktop option selected for the fax service in the local computer's LocalSystem account.

This enables the fax service to access the client's desktop and post messages to the client. A user can configure the fax service to run under a user account instead of the LocalSystem account. To enable the reception of notification messages, the fax service opens an impersonation access token for the fax client application. The service opens the token when the client calls the FaxInitializeEventQueue function, specifying notification messages.

When the fax service has a message for the client, the service impersonates the client and posts the message to the client. You do not need to incorporate any code in the client application to enable the preceding functionality. However, the application must incorporate code to enable the client to log off successfully when the fax service runs under a user account.

This is because a user cannot log off if the fax service has an open handle to the client's desktop. However, it must specify a value of 1 in the CompletionKey parameter. This informs the fax service that the client is logging off and the service should close the impersonation access token it opened for the client. This enables the client to log off. Customize the Taskbar in Windows What Is svchost. Best Smartwatches. Best Gaming Laptops. Best Smart Displays.

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