Download Station For Windows 7

A window station contains a clipboard, an atom table, and one or more desktop objects. Each window station object is a securable object. When a window station is created, it is associated with the calling process and assigned to the current session.

The interactive window station is the only window station that can display a user interface or receive user input. It is assigned to the logon session of the interactive user, and contains the keyboard, mouse, and display device. It is always named "WinSta0". All other window stations are noninteractive, which means they cannot display a user interface or receive user input.

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When a user logs on to a computer using Remote Desktop Services, a session is started for the user. Each session is associated with its own interactive window station named "WinSta0". For more information, see Remote Desktop Sessions.

-the-performance-team/sessions-desktops-and-windows-stations/ba-p/372473 seems to cover it - I found it by googling for 'windows station object" (since your article refers to Each window station object is a securable object and that seemed like a good place to go deeper)

Essentially a windows station 'contains' the 'desktops' and processes for a user. A session contains a windows station, which contains one or more desktops - with a 'desktop' being a login window, a 'session' of windows as we understand it, or UAC.

Only one windows station is permitted to interact with the user at the console; this is called Winsta0. Under Winsta0 there are three desktops loaded: Winlogon (the logon screen), Default (the user desktop) and Disconnect. All three of these have separate logical displays, which is why your main desktop disappears if you lock the workstation. When you lock the workstation, the display switches from Default to Winlogon and there is no user interaction between the two. In Windows Vista this is even a bit more extreme. 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.

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.exe, Explorer.exe and others that need to interact with the user. The Service-0x0-3e7$ windows station owns any service that loads under Local System and is non-interactive. In this case I have shown Services.exe. As you can see by the connecting bars, it is possible for processes from different virtual sessions to load into a single windows station. The SQL process loads under its own windows station and credentials, so it is not included in either of the other windows stations.

A single desktop object will have a single desktop heap set aside for it. This heap stores various user interface objects, such as the windows, menus and hooks. When an application needs to draw a user interface object, it calls User32.dll to allocate this object. As I am sure you can guess, each of these interface elements requires resources out of desktop heap. If the desktop heap becomes depleted, you will get symptoms such as a corrupt display or other anomalies. Also, if the Session View Space becomes depleted, it will not be able to create more desktop heaps. Either of these of course is very bad. This is partially why you can still get Out Of Memory errors even on a machine with a lot of free RAM.

The first value is the shared heap size, common to all desktops. It's used to store the global handle table and shared system settings. By default, it's set to 1024KB. You generally do not need to modify this value. The second value is the desktop heap size for each desktop associated with the "interactive" window station. It is used to store user objects like hooks, menus, strings and windows. By default, it's set to 3072KB. The more users that log into the system, the more desktops are created. Consequently, the total "interactive" desktop heap size will increase to reflect the number of desktops created. However, each desktop will only have an "interactive" desktop heap of 3072KB. The third value is the desktop heap size for each desktop associated with the "non-interactive" window station. By default, it's set to 512KB. But if this value is not present, the size of the "non-interactive" window station will be the same as that of the "interactive" window station.

Every service process created under a user account will be given a new desktop in a "non-interactive" window station created by the Service Control Manager (SCM). Therefore, each of these services will consume the amount of desktop heap, as specified in the third SharedSection value. The total desktop heap used in both interactive and non-interactive window stations must fit into the 48MB system-wide buffer. Consequently, decreasing the second or third SharedSection values will increase the number of desktops that can be created. However, it will reduce the number of hooks, menus, strings and windows that can be created within each desktop. Conversely, increasing the second of third SharedSection values will reduce the number of desktops that can be created and increases the number of hooks, menus, strings and windows that can be created within each desktop. Also, increasing the third SharedSection value will reduce the number of user account services that can run successfully on the system.

This is doesn't seem to be caused by mismatched signing policies. The problem continues to "randomly" affect client computers. For example, this week my workstation could not access the shares one day, could the next, and then could not again the following day.

It can provide data transfer rates up to the USB 3.1 Gen 2 (10 gbps) specification depending on the host and device, but does not directly support video in the way that USB-C Alternate Mode does. This limitation makes DisplayLink USB graphics adapters and docking stations ideal on systems that do not have USB-C, or in instances where more displays are needed beyond available video outputs of a PC.

This type of connection comes in a couple different styles depending on whether USB 3.0 and higher transfer rates are supported (bottom graphic). Usually this type of connection is used to plug into USB devices that do not have a fixed cable connected, such as USB docking stations, USB hubs, printers, and others.

The graphical software utilities provided by Intel, NVIDIA and AMD/ATI are designed to only recognize and work with graphics adapters made by their respective manufacturers. As a result, they will not recognize USB-attached displays connected to a DisplayLink-based docking station or graphics adapter.

No, Plugable does not recommend or support using our DisplayLink-based docking stations with a traditional KVM switch. If you simply need to share the dock between two systems, the dock can be manually disconnected from the first system and then manually connected to the second system.

For those using our USB 3.0 DisplayLink docking station products that would like a more permanent solution that does not require disconnecting the unit from the host system, our Plugable USB 3.0 Sharing Switch can be used as an alternative to share the dock between two systems (please keep in mind that the dock can only be used by one system at a time).

In some less common instances on Windows computers, erratic keyboard/mouse behavior can be related to an issue with Intel Management Engine. We've written about this issue and the workaround that may fix it in another article in our Knowledge Base: -stations-and-video/laggy-mouse-or-keyboard

Apple's Intel based Macs with Thunderbolt 3 can support up to two displays connected through a Thunderbolt 3 docking station, these displays do not require installing the DisplayLink Manager App and can be used for video playback.

With macOS 13.3.1 update we have started to see reports of the macOS window server crashing on Apple Silicon based computers (M1/M2 processors). Either at login if a DisplayLink based docking station or USB graphics adapter is connected to the computer, when connecting the DisplayLink controlled display to the computer after login, or when launching the DisplayLink Manager App with the external display connected to the computer.

If you are experiencing this behavior, with the system logging in and back out, or logging out when connecting the DisplayLink based docking station or graphics adapter and the above does not help, please contact our support team via email at 'support@plugable.com' and we will be happy to help!

If your Windows laptop will not boot properly when a docking station is connected to the laptop, most often the cause is an external device connected to the docking station (for example an external USB storage drive) as opposed to the dock itself.

Docking stations based on DisplayLink USB video technology are in essence a 'virtual' graphics adapter that relies on the host laptop's CPU and internal physical graphics processing unit (aka as GPU) to generate the information shown on the dock-attached displays.

In rare instances, Windows applications that use a technology known as OpenGL to draw the image shown on the display will attempt to direct OpenGL related tasks to the DisplayLink-based docking station's virtual graphics adapter, and not to the 'real'/'physical' GPU within the laptop. ff782bc1db