Describes how to enable and disable the Server Message Block protocol (SMBv1, SMBv2, and SMBv3) in Windows client and server environments. This is the old version, please see the new Sysprep a Windows 7 Machine – Start to Finish V2. Note – I highly recommend creating a boot or rescue disk before. This topic helps you to deploy Windows To Go in your organization.
Auto. Run - Wikipedia. Auto. Run and the companion feature Auto. Play are components of the Microsoft Windowsoperating system that dictate what actions the system takes when a drive is mounted. Auto. Run was introduced in Windows 9.
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When an appropriately configured CD- ROM is inserted into a CD- ROM drive, Windows detects the arrival and checks the contents for a special file containing a set of instructions. For a CD containing software, these instructions normally initiate installation of the software from the CD- ROM onto the hard drive.
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AutoRun and the companion feature AutoPlay are components of the Microsoft Windows operating system that dictate what actions the system takes when a drive is mounted.
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To maximise the likelihood of installation success, Auto. Run also acts when the drive is accessed ("double- clicked") in Windows Explorer (or "My Computer"). Until the introduction of Windows XP, the terms Auto. Run and Auto. Play were used interchangeably, developers often using the former term and end users the latter. This tendency is reflected in Windows Policy settings named Auto. Play that change Windows Registry entries named Auto. Run, and in the autorun.
Auto. Play" to be added to drives’ context menus. The terminology was of little importance until the arrival of Windows XP and its addition of a new feature to assist users in selecting appropriate actions when new media and devices were detected. This new feature was called Auto. Play and a differentiation between the two terms was created.[1]Auto. Run, a feature of Windows Explorer (actually of the shell.
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Windows 9. 5, enables media and devices to launch programs by use of command listed in a file called autorun. Primarily used on installation CD- ROMs, the applications called are usually application installers. The autorun. inf file can also specify an icon which will represent the device visually in Explorer along with other advanced features.[1]The terms Auto. Run and Auto. Play tend to be interchangeably used when referring to the initiating action, the action that detects and starts reading from discovered volumes. The flowchart illustration in the Auto. Play article shows how Auto.
Run is positioned as a layer between Auto. Play and the Shell Hardware Detection service and may help in understanding the terminology. However, to avoid confusion, this article uses the term Auto. Run when referring to the initiating action. Auto. Play[edit]Auto. Play is a feature introduced in Windows XP which examines removable media and devices and, based on content such as pictures, music or video files, launches an appropriate application to play or display the content.[1] If available, settings in an autorun. Auto. Play is based on a set of handler applications registered with the Auto.
Play system. Each media type (Pictures, Music, Video) can have a set of registered handlers which can deal with playing or display that type of media. Each hardware device can have a default action occurring on discovery of a particular media type, or the Auto.
Play dialog can prompt the user what action to take. Auto. Run activation[edit]The Auto.
Run sequence starts with the initial discovery of a new device or new piece of media. Following this, notification of interested parties occurs, of which the Windows Explorer shell is of primary interest. After checking certain Registry settings to see if Auto. Run can proceed, parsing of an optional autorun. The initial sequence is handled much the same in every version of Windows from Windows 9.
However, the way the autorun. Auto. Run with Auto. Play has changed significantly from the time Auto. Play was introduced in Windows XP until the present handling in Windows 7. In Windows 1. 0, Microsoft has added the option to enable autorun in its settings. Not only users can turn it on but also they can choose specific external devices for autoplay. Initiation and notification[edit]When a device with Auto.
Run- compatible drivers receives new media, a "Media Change Notification" event occurs. The Windows OS then notifies interested applications that a device change has occurred. The notification method used can change depending on the device type. If the device changed is a volume (like a CD) or a port (like a serial port) Windows broadcasts a WM_DEVICECHANGE notification to all top- level windows.[2][3] Windows calls this a "basic" notification.
A top- level window is one which is a descendant of the desktop. However, if the device changed is not one of these types an application can use the Register. Device. Notification[4] function to register to receive device notifications. An article on the Code. Project website, "Detecting Hardware Insertion and/or Removal", with clarifications from a blog by Doran Holan is of particular technical interest here. Non- volume devices are those devices that do not appear as drive letters in "My Computer". These are not handled by any part of Auto.
Run - any actions taken for these devices are taken either by device specific software or by Auto. Play. See Auto. Play#Devices that are not drives. When Explorer receives notification of a volume change, it performs a number of actions: [5][6]Checks to see if Auto. Run has been disabled through the Registry. If Auto. Run is disabled for that drive or drive type, Explorer does not proceed further.
There have been bugs in this area. Checks that the root directory of the inserted media contains an autorun.
See below. Sends a Query. Cancel. Auto. Play message to the foreground window. An application which has registered its interest in receiving this message using Register. Window. Message can respond to this message to halt Auto. Run (and thus Auto.
Play) at this point. Any application, foreground or not, can also be notified by using the IQuery. Cancel. Auto. Play. COM interface[7] available in Windows XP and later. Alters double- click and contextual menu behaviours. When a user double clicks on the drive icon in Explorer or right clicks to get a context menu, what happens is fully programmable by settings in the autorun. Adds an autorun. inf controllable icon and descriptive text to the drive icon.
Checks to see if the ⇧ Shift key is held down. If it is then Windows Vista (and later Windows versions) will invoke the Auto. Play dialog regardless of settings to the contrary.[8] Previous versions of Windows will not continue with the process.[6]Finally, if this point has been reached, either. Auto. Run task", the application optionally specified in the open or shellexecute keys in an autorun. Auto. Play. Which choice is made depends on the version of Windows in use, instructions from the autorun. Changing behaviour[edit]Before Auto.
Play[edit]On Windows versions prior to Windows XP, an autorun. The Auto. Run task, if specified, is executed immediately without user interaction.[9] This includes DRIVE_REMOVABLE, DRIVE_FIXED and DRIVE_REMOTE drive types. Auto. Run will work with network drives (the DRIVE_REMOTE drive type) that are mapped to a drive letter. Auto. Run will also work with floppy drives that are provided with autorun- compatible drivers.[6]The default Registry settings on Windows versions prior to Windows XP (See No. Drive. Type. Auto.
Run), disable Remote and Removable drives from Auto. Run initiation, leaving Fixed and CDROM drive types active by default. Introducing Auto. Play[edit]With the introduction of Auto. Play in Windows XP, the final stage action (stage 7 above) for some drive types changed from executing an application to invoking Auto.
Play. From Windows Vista, the Auto. Play system is integrated into every aspect of media handling and there is no automatic execution of the Auto.
Run task. The default Registry settings add Removable drives to those that initiated Auto. Run. In Windows XP and higher, except Windows Server 2. Unknown and Remote drive types are not active for Auto. Run. The handling of the autorun. Windows version. The details can be found in the autorun. The current handling in Windows 7 is that only drives of type DRIVE_CDROM may specify an Auto.
Run task, alter double- click behaviour or change context menus. Registry settings[edit]Auto. Run consults Windows Registry values to decide whether to initiate actions for any particular drive or drive type.
These values can be changed using several methods, one of which is using Group Policy. The primary relevant Registry entry names are No. Drive. Type. Auto. Run and No. Drive. Auto. Run. These exist in both per- machine and per- user settings and their location and priority in the Registry are described in further detail below.
Drive types[edit]The drive types are distinguished by Type Name as follows: [1. Type namevalue. Description. DRIVE_UNKNOWN0x. 00.