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</o:shapelayout></xml><![endif]--></head><body lang=SL link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Hi Richard,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>I apologise for the delay. (Becoming my standard letter introduction these days. </span><span lang=EN-GB style='font-family:"Segoe UI Emoji",sans-serif;mso-fareast-language:EN-US'>☹</span><span lang=EN-GB style='mso-fareast-language:EN-US'>)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Your error is saying that </span><code><span lang=EN-GB style='font-size:10.0pt;mso-fareast-language:EN-US'>NetCfgInstanceId</span></code><span lang=EN-GB style='mso-fareast-language:EN-US'> value did not appear in the HKEY</span><code><span lang=EN-GB style='font-size:10.0pt;mso-fareast-language:EN-US'>_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\<i><id></i></span></code><span lang=EN-GB style='mso-fareast-language:EN-US'> registry key in 10 seconds. Can you check the registry key what's going on there, please?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Also, check the event log (System and Application and Service Logs\Microsoft\Windows\DeviceSetupManager) for any errors at the time you are attempting to activate the tunnel. Maybe there's some disabled service causing interface device creation to fail?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Maybe your Windows is attempting to access Windows Update for a newer version of Wintun driver first, triggering 10 second timeout in WireGuard?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><p class=MsoNormal>Best regards,<o:p></o:p></p><p class=MsoNormal>Simon<o:p></o:p></p></div><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-GB>From:</span></b><span lang=EN-GB> WireGuard <wireguard-bounces@lists.zx2c4.com> <b>On Behalf Of </b>Richard Reiner<br><b>Sent:</b> Tuesday, November 12, 2019 5:38 AM<br><b>To:</b> wireguard@lists.zx2c4.com<br><b>Subject:</b> Windows client "Unable to create Wintun device"<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><div><div><div><div><div><div style='margin-top:6.0pt'><div><div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'>On one of my machines, the Wireguard Windows client 0.0.35 was previously working well, but as of today whenever attempting to activate any tunnel it generates errors with log messages like:<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'> 2019-11-11 17:32:48.033: [TUN] [tun22] Unable to create Wintun device: Unable to create Wintun interface: GetStringValueWait(NetCfgInstanceId) failed: Timeout waiting for registry value<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'>An uninstall - reboot - reinstall has not corrected this/<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'>The affected machine has received some Windows 10 updates recently as well as a VMware Player update.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'>But another machine with the same software installed works fine.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'>Any thoughts or suggestions?<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222'><o:p> </o:p></span></p></div></div></div></div></div></div></div></div></div><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div></div></div></div></body></html>