Disabling Autoplay through Group Policy or the registry will cause HotStart buttons to not function on Microsoft Windows 7 and Microsoft Windows Vista

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Article ID: 2328787 - View products that this article applies to.
Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.
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SYMPTOMS

Consider the following scenario:

·         You have a Windows 7 or Vista system running on a laptop with Hotstart buttons

·         There is a policy set in Group Policy to disable Autoplay on all drives

In this scenario, the Hotstart buttons do not function

CAUSE

When changing the Group Policy setting to disable Autoplay, the Autoplay registry value gets set to 0xFF (disable Autoplay on all drives). When the registry value is set to 0xFF, Hotstart does not function.

RESOLUTION

You can change the settings by using Group Policy settings.

There are three options: “Not Configured”, “Enabled”, and “Disabled” in the “Turn off Autoplay”.

When selecting “Enabled”, you need to select “CD-ROM and removable media drives” to allow HotStart to function.

By selecting this option, the Autoplay registry value is set to “0xB5”, and fixed and RAM drives are the only ones still enabled. Any other drives: unknown types, removable drives, network drives, and CD-ROM drives are disabled.

How to open Group Policy settings as follows:

1.     Click Start , type Gpedit.msc in the Start Search box, and then press ENTER.

 If you are prompted for an administrator password or for confirmation, type the password, or click Allow.

2.     Under Computer Configuration, expand Administrative Templates, expand Windows Components, and then click Autoplay Policies.

3.     In the Details pane, double-click Turn off Autoplay.

If you are experiencing this on a system that has been joined to a domain, you will need to contact the domain administrator for assistance. Your system settings synchronize to the domain server.

For operating systems that do not include Gpedit.msc and for an optional resolution, you can directly check and change the NoDriveTypeAutoRun entry value in the following registry key other than 0xFF.


HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Polices\Explorer\
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\

For more information on disabling specific Autorun features, please see the following knowledge base article:

http://support.microsoft.com/kb/967715/en-us

MORE INFORMATION

See the following white paper for more information:

http://www.microsoft.com/whdc/system/platform/firmware/hotstart.mspx
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

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Article ID: 2328787 - Last Review: June 10, 2011 - Revision: 1.2
APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Vista Service Pack 2
  • Windows Vista Service Pack 1
Keywords: 
KB2328787

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