Windows 10, version 1909 and Windows Server, version 1909
Find information on known issues and the status of the rollout for Windows 10, version 1909 and Windows Server, version 1909. Looking for a specific issue? Press CTRL + F (or Command + F if you are using a Mac) and enter your search term(s).
Current status as of December 5, 2019: Windows 10, version 1909 is available for any user on a recent version of Windows 10 who manually selects “Check for updates” via Windows Update. The recommended servicing status is Semi-Annual Channel. Beginning today, we will slowly start the phased process to automatically initiate a feature update for devices running the October 2018 Update (Windows 10, version 1809) Home and Pro editions, keeping those devices supported and receiving the monthly updates that are critical to device security and ecosystem health. We are starting this rollout process several months in advance of the end of service date to provide adequate time for a smooth update process. For information on how users running Windows 10, version 1903 can update to Windows 10, version 1909 in a new, streamlined way, see this post. Note follow @WindowsUpdate on Twitter to find out when new content is published to the release information dashboard. |
Windows 10, version 1909 now available
Get the update >
Windows 10, version 1909 delivery options
Explore the improvements >
What’s new in Windows 10, version 1909
Learn about the latest capabilities for IT >
Known issues
This table offers a summary of current active issues and those issues that have been resolved in the last 30 days.
| Summary | Originating update | Status | Last updated |
| Unable to create local users in Chinese, Japanese and Korean during device setup You might be unable to create users in Chinese, Japanese and Korean using Input Method Editor (IME) during OOBE. See details > | OS Build 18363.476 November 12, 2019 KB4524570 | Resolved KB4530684 | December 10, 2019 10:00 AM PT |
| Issues with some older versions of Avast and AVG anti-virus products Microsoft and Avast has identified compatibility issues with some versions of Avast and AVG Antivirus. See details > | N/A | Mitigated External | November 25, 2019 05:25 PM PT |
| Intermittent loss of Wi-Fi connectivity Some older devices may experience loss of Wi-Fi connectivity due to an outdated Qualcomm driver. See details > | OS Build 18363.476 November 12, 2019 KB4524570 | Resolved External | November 22, 2019 04:10 PM PT |
| Unable to discover or connect to Bluetooth devices using some Realtek adapters Microsoft has identified compatibility issues with some versions of Realtek Bluetooth radio drivers. See details > | OS Build 18363.476 November 12, 2019 KB4524570 | Resolved External | November 15, 2019 05:59 PM PT |
Issue details
November 2019
| Details | Originating update | Status | History |
| Issues with some older versions of Avast and AVG anti-virus products Microsoft and Avast has identified compatibility issues with some older versions of Avast Antivirus and AVG Antivirus that might still be installed by a small number of users. Any application from Avast or AVG that contains Antivirus version 19.5.4444.567 or earlier is affected. To safeguard your upgrade experience, we have applied a hold on devices with affected Avast and AVG Antivirus from being offered or installing Windows 10, version 1903 or Windows 10, version 1909, until the application is updated. Affected platforms:
Workaround: Before updating to Windows 10, version 1903 or Windows 10, version 1909, you will need to download and install an updated version of your Avast or AVG application. Guidance for Avast and AVG customers can be found in the following support articles: Note We recommend that you do not attempt to manually update using the Update now button or the Media Creation Tool until a new version of your Avast or AVG application has been installed and the Windows 10, version 1903 or Windows 10, version 1909 feature update has been automatically offered to you. Back to top | N/A | Mitigated External | Last updated: November 25, 2019 05:25 PM PT Opened: November 22, 2019 04:10 PM PT |
October 2019
| Details | Originating update | Status | History |
| Unable to create local users in Chinese, Japanese and Korean during device setup When setting up a new Windows device using the Out of Box Experience (OOBE), you might be unable to create a local user when using Input Method Editor (IME). This issue might affect you if you are using the IME for Chinese, Japanese, or Korean languages. Note This issue does not affect using a Microsoft Account during OOBE. Affected platforms:
Resolution: This issue was resolved in KB4530684. Back to top | OS Build 18363.476 November 12, 2019 KB4524570 | Resolved KB4530684 | Resolved: December 10, 2019 10:00 AM PT Opened: October 29, 2019 05:15 PM PT |
May 2019
| Details | Originating update | Status | History |
| Intermittent loss of Wi-Fi connectivity Some older devices may experience loss of Wi-Fi connectivity due to an outdated Qualcomm driver. An updated Wi-Fi driver should be available from your device manufacturer (OEM). To safeguard your upgrade experience, we have applied a hold on devices with affected Qualcomm driver from being offered Windows 10, version 1903 or Windows 10, version 1909, until the updated driver is installed. Affected platforms:
Resolution: This issue was resolved with an updated Qualcomm Wifi driver and the safeguard hold has been removed. Please note, it can take up to 48 hours before you can update to offered Windows 10, version 1909 or Windows 10, version 1903. Back to top | OS Build 18363.476 November 12, 2019 KB4524570 | Resolved External | Last updated: November 22, 2019 04:10 PM PT Opened: May 21, 2019 07:13 AM PT |
| Unable to discover or connect to Bluetooth devices using some Realtek adapters Microsoft has identified compatibility issues with some driver versions for Bluetooth radios made by Realtek. To safeguard your update experience, we have applied a compatibility hold on devices with affected driver versions for Realtek Bluetooth radios from being offered Windows 10, version 1903 or Windows Server, version 1903 until the driver has been updated. Affected platforms:
Resolution: This issue was resolved with an updated driver for the affected Realtek Bluetooth radio and the safeguard hold has been removed. Please note, it can take up to 48 hours before you can update to offered Windows 10, version 1909 or Windows 10, version 1903. Back to top | OS Build 18363.476 November 12, 2019 KB4524570 | Resolved External | Last updated: November 15, 2019 05:59 PM PT Opened: May 21, 2019 07:29 AM PT |