Windows net session

When you get a UAC prompt for instance, it takes a screenshot of your Default desktop and then displays it dimmed out behind the UAC window in the foreground. The UAC window is part of the Secure Desktop new for Vista and similar to the logon desktop and will not allow you to interact with the Default desktop until you provide input.

Other windows stations exist that do not interact with the user. The exceptions to this are services that need to interact with the console user, so these load into Winsta0 instead. All pages mapped to a specific user use the same memory pages, but each user has their own session space mapped in virtual memory. Session space is divided into four different areas:.

As mentioned above, a desktop is an object under which a logical display surface loads. This contains windows, menus and hooks. Session 0 is the base session where services run and is typically also the console session. In Windows Vista this has been changed to exclusively run services, and the console session is typically Session 1. The diagrams below show the relationships between sessions, windows stations, desktops and services in Windows Vista as compared to earlier operating systems this is from our earlier post on Session 0 Application Compatibility Issues.

So now let's dig a little deeper using an example. In the diagram below, we are looking at Session 0 with a user logged in named Bob. As you can see, Winsta0 contains both processes from the user console session as well as any service that is marked as Interactive. In this case, that includes Winlogon. In this case I have shown Services. A successful session occurs when the two computers are on the same network and the user has a user name and password that are accepted by the server.

A user at a client has to have a session with a server before he or she can use the resources of the server. A client and a server have only one session, but they can have many entry points, or connections, to resources. An automatic disconnection is transparent to the user, because the session is automatically reconnected when the user accesses the resource again. Skip to main content. Comments are closed. Scripting Forums.

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Recordset ADOR. Paste your code snippet. NET application. For a comparison of different state-management options, see ASP. Session property. In an ASP. NET page, the current session variables are exposed through the Session property of the Page object.

The collection of session variables is indexed by the name of the variable or by an integer index. Session variables are created by referring to the session variable by name.

You do not have to declare a session variable or explicitly add it to the collection. The following example shows how to create session variables in an ASP. NET page for the first and last name of a user, and set them to values retrieved from TextBox controls. Session variables can be any valid.

NET Framework type. The following example stores an ArrayList object in a session variable named StockPicks. The value returned by the StockPicks session variable must be cast to the appropriate type when you retrieve it from the SessionStateItemCollection. When you use a session-state mode other than InProc , the session-variable type must be either a primitive. NET type or serializable. This is because the session-variable value is stored in an external data store.

For more information, see Session-State Modes. Sessions are identified by a unique identifier that can be read by using the SessionID property. When session state is enabled for an ASP. NET application, each request for a page in the application is examined for a SessionID value sent from the browser. NET starts a new session and the SessionID value for that session is sent to the browser with the response.

By default, SessionID values are stored in a cookie. A session is considered active as long as requests continue to be made with the same SessionID value. If the time between requests for a particular session exceeds the specified time-out value in minutes, the session is considered expired. Requests made with an expired SessionID value result in a new session.