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A company can choose to sign their own drivers rather than go through the WHQL testing process. These drivers would not qualify for the "Certified for
Windows" logos, but they would install on Windows without a warning. However, in some cases, such as drivers created after the termination of WHQL
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Products that pass the WHQL tests get to use a "Certified for
Windows" logo, which certifies that the hardware or software has had some share of testing by Microsoft to ensure compatibility. The actual logo used depends on the version of Microsoft Windows. (In the past, Microsoft also awarded a
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Since 7 January 2014, Microsoft no longer requires a WHQL testing fee, which used to be US$ 250 per operating system family. This fee covered both x86 and x64 driver SKUs, if submitted simultaneously, and was non-refundable. The fee did not include other expenses, such as the
Windows license
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testing for a version of the operating system, the
Windows operating system may refuse to start the driver and will require enabling the operating system's test mode by a command prompt to otherwise run it.
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certification file that, when included in the driver installation package, prevents
Windows from displaying a warning message that the driver has not been certified by Microsoft.
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from these tests to
Microsoft for review. The procedure may also include Microsoft running their own tests on a wide range of equipment, such as different hardware and different
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163:. Microsoft has since dismantled this dialog box, but one way to avoid it on Windows XP was to pre-install a WHQL-certified driver before connecting the device.
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Since June 2007, Microsoft has added an Audio
Fidelity Test (Audio Precision SYS-2722-A-M) requirement for System Submissions.
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similar logo as part of a different
Software Certification program to apps that passed software compatibility tests.)
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Device drivers that have passed the WHQL tests are also made available for download using
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Please help update this article to reflect recent events or newly available information.
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75:'s testing process which involves running a series of tests on third-party
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238:"Digital Signatures for Kernel Modules on Systems Running Windows Vista"
208:"Windows Vista Logo Program - Audio Fidelity Testing Policy Update"
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152:. Not all of the drivers in Windows Update are up to date. On
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244:. Microsoft Corporation. July 27, 2007. Archived from
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Warning for uncertified hardware drivers on
Windows XP
214:. Microsoft Corporation. 18 June 2008. Archived from
171:certificate necessary for submitting test results.
294:"Hardware Certification Policies and Processes"
8:
269:"Re: Digital sign a driver for XP and Vista"
130:passing the WHQL tests, Microsoft creates a
16:Certification for device drivers on Windows
355:. Microsoft Corporation. 13 September 2011
242:Windows Hardware Developer Central website
212:Windows Hardware Developer Central website
167:necessary for running WHQL tests, and the
353:"Windows Logo Kit 1.6 Step by Step Guide"
303:. Microsoft Corporation. 7 January 2014
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61:Windows Hardware Quality Labs Testing
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333:. Microsoft Corporation. p. 28
115:The "Found New Hardware Wizard" of
187:Windows Hardware Certification Kit
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378:Windows Hardware Developer Center
322:Bethel, Lyndon (21 August 2006).
324:"DTM Global WHQL Policies Draft"
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267:Roberts, Tim (April 8, 2009).
57:Windows Hardware Certification
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79:, and then submitting the
158:Found New Hardware Wizard
32:This article needs to be
181:Windows Hardware Lab Kit
150:Microsoft Update Catalog
99:Certified for Vista Logo
394:Microsoft certification
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69:Windows Logo Testing
218:on 12 December 2009
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59:program (formerly
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357:. Retrieved
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65:WHQL Testing
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359:22 November
388:Categories
337:7 February
278:7 February
222:7 February
194:References
161:dialog box
154:Windows XP
117:Windows XP
87:editions.
44:April 2016
81:log files
73:Microsoft
252:July 30,
175:See also
169:VeriSign
91:Overview
307:24 June
148:or the
34:updated
380:(WHDC)
189:(WHCK)
183:(WHLK)
71:) is
67:, or
361:2011
339:2011
309:2015
280:2011
254:2008
224:2011
126:For
55:The
329:DOC
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