| Summary | Originating update | Status | Last updated |
| “Reset this PC” feature might fail “Reset this PC” feature is also called “Push Button Reset” or PBR. See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| You might encounter issues with KB4524244 You might encounter issues trying to install or after installing KB4524244 See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| Windows may not start on certain Lenovo and Fujitsu laptops with less than 8GB of RAM Windows may fail to start on certain Lenovo and Fujitsu laptops that have less than 8 GB of RAM. See details > | OS Build 14393.2608 November 13, 2018 KB4467691 | Resolved External | January 23, 2020 02:08 PM PT |
| TLS connections might fail or timeout Transport Layer Security (TLS) connections might fail or timeout when connecting or attempting a resumption. See details > | OS Build 14393.3274 October 08, 2019 KB4519998 | Mitigated External | November 05, 2019 03:36 PM PT |
| Certain operations performed on a Cluster Shared Volume may fail Operations performed on files or folders on a CSV may fail with the error: STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5). See details > | OS Build 14393.2724 January 08, 2019 KB4480961 | Mitigated | April 25, 2019 02:00 PM PT |
| Cluster service may fail if the minimum password length is set to greater than 14 The cluster service may fail to start if “Minimum Password Length” is configured with greater than 14 characters. See details > | OS Build 14393.2639 November 27, 2018 KB4467684 | Mitigated | April 25, 2019 02:00 PM PT |
| Details | Originating update | Status | History |
| Windows may not start on certain Lenovo and Fujitsu laptops with less than 8GB of RAM After installing KB4467691, Windows may fail to start on certain Lenovo and Fujitsu laptops that have less than 8 GB of RAM. Affected platforms:
Workaround: Restart the affected machine using the Unified Extensible Firmware Interface (UEFI). Disable Secure Boot and then restart. If BitLocker is enabled on your machine, you may have to go through BitLocker recovery after Secure Boot has been disabled. Resolution: Lenovo and Fujitsu are aware of this issue. Please contact your OEM to ask if there is a firmware update available for your device. Back to top | OS Build 14393.2608 November 13, 2018 KB4467691 | Resolved External | Last updated: January 23, 2020 02:08 PM PT Opened: November 13, 2018 10:00 AM PT |
| Cluster service may fail if the minimum password length is set to greater than 14 After installing KB4467684, the cluster service may fail to start with the error \"2245 (NERR_PasswordTooShort)\" if the Group Policy \"Minimum Password Length\" is configured with greater than 14 characters. Affected platforms:
Workaround: Set the domain default \"Minimum Password Length\" policy to less than or equal to 14 characters. Next steps: Microsoft is working on a resolution and will provide an update in an upcoming release. Back to top | OS Build 14393.2639 November 27, 2018 KB4467684 | Mitigated | Last updated: April 25, 2019 02:00 PM PT Opened: November 27, 2018 10:00 AM PT |
| Summary | Originating update | Status | Last updated |
| “Reset this PC” feature might fail “Reset this PC” feature is also called “Push Button Reset” or PBR. See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| You might encounter issues with KB4524244 You might encounter issues trying to install or after installing KB4524244 See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| 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 16299.1387 September 10, 2019 KB4516066 | Resolved KB4534318 | January 23, 2020 02:00 PM PT |
| TLS connections might fail or timeout Transport Layer Security (TLS) connections might fail or timeout when connecting or attempting a resumption. See details > | OS Build 16299.1451 October 08, 2019 KB4520004 | Mitigated External | November 05, 2019 03:36 PM PT |
| Certain operations performed on a Cluster Shared Volume may fail Operations performed on files or folders on a CSV may fail with the error: STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5). See details > | OS Build 16299.904 January 08, 2019 KB4480978 | Mitigated | April 25, 2019 02:00 PM PT |
| 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 KB4534318. Back to top | OS Build 16299.1387 September 10, 2019 KB4516066 | Resolved KB4534318 | Resolved: January 23, 2020 02:00 PM PT Opened: October 29, 2019 05:15 PM PT |
| Summary | Originating update | Status | Last updated |
| “Reset this PC” feature might fail “Reset this PC” feature is also called “Push Button Reset” or PBR. See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| You might encounter issues with KB4524244 You might encounter issues trying to install or after installing KB4524244 See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| 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 17134.1006 September 10, 2019 KB4516058 | Resolved KB4534308 | January 23, 2020 02:00 PM PT |
| TLS connections might fail or timeout Transport Layer Security (TLS) connections might fail or timeout when connecting or attempting a resumption. See details > | OS Build 17134.1069 October 08, 2019 KB4520008 | Mitigated External | November 05, 2019 03:36 PM PT |
| Certain operations performed on a Cluster Shared Volume may fail Operations performed on files or folders on a CSV may fail with the error: STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5). See details > | OS Build 17134.523 January 08, 2019 KB4480966 | Mitigated | April 25, 2019 02:00 PM PT |
| 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 KB4534308. Back to top | OS Build 17134.1006 September 10, 2019 KB4516058 | Resolved KB4534308 | Resolved: January 23, 2020 02:00 PM PT Opened: October 29, 2019 05:15 PM PT |
| Summary | Originating update | Status | Last updated |
| “Reset this PC” feature might fail “Reset this PC” feature is also called “Push Button Reset” or PBR. See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| You might encounter issues with KB4524244 You might encounter issues trying to install or after installing KB4524244 See details > | N/A February 11, 2020 KB4524244 | Mitigated | February 15, 2020 01:22 AM PT |
| 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 17763.737 September 10, 2019 KB4512578 | Resolved KB4534321 | January 23, 2020 02:00 PM PT |
| TLS connections might fail or timeout Transport Layer Security (TLS) connections might fail or timeout when connecting or attempting a resumption. See details > | OS Build 17763.805 October 08, 2019 KB4519338 | Mitigated External | November 05, 2019 03:36 PM PT |
| Devices with some Asian language packs installed may receive an error Devices with Asian language packs installed may receive the error, \"0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND.\" See details > | OS Build 17763.437 April 09, 2019 KB4493509 | Mitigated | May 03, 2019 10:59 AM PT |
| Certain operations performed on a Cluster Shared Volume may fail Operations performed on files or folders on a CSV may fail with the error: STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5). See details > | OS Build 17763.253 January 08, 2019 KB4480116 | Mitigated | April 09, 2019 10:00 AM PT |
| 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 KB4534321. Back to top | OS Build 17763.737 September 10, 2019 KB4512578 | Resolved KB4534321 | Resolved: January 23, 2020 02:00 PM PT Opened: October 29, 2019 05:15 PM PT |
| Summary | Originating update | Status | Last updated |
| After installing an update and restarting, you might receive an error You might receive the error, “Failure to configure Windows updates. Reverting Changes.” or \"Failed\" in Update History. See details > | February 11, 2020 KB4537820 | Resolved | February 12, 2020 05:37 PM PT |
| Custom wallpaper displays as black Using a custom image set to \"Stretch\" might not display as expected. See details > | January 14, 2020 KB4534310 | Resolved KB4539601 | February 07, 2020 10:00 AM PT |
| MSRT might fail to install and be re-offered from Windows Update or WSUS The November 2019 update for Windows Malicious Software Removal Tool (MSRT) might fail to install from WU/WSUS. See details > | Resolved | January 23, 2020 02:08 PM PT | |
| TLS connections might fail or timeout Transport Layer Security (TLS) connections might fail or timeout when connecting or attempting a resumption. See details > | October 08, 2019 KB4519976 | Mitigated External | November 05, 2019 03:36 PM PT |
| IA64 and x64 devices may fail to start after installing updates After installing updates released on or after August 13, 2019, IA64 and x64 devices using EFI Boot may fail to start. See details > | August 13, 2019 KB4512506 | Mitigated | August 17, 2019 12:59 PM PT |
| Details | Originating update | Status | History |
| MSRT might fail to install and be re-offered from Windows Update or WSUS The November 2019 update for Windows Malicious Software Removal Tool (MSRT) might fail to install from Windows Update (WU), Windows Server Update Services (WSUS) or Configuration Manager and might be re-offered. If you use WU or WSUS, you might also receive the following error in the WindowsUpdate.log, “Misc WARNING: Digital Signatures on file C:\\Windows\\SoftwareDistribution\\Download\\XXXX are not trusted: Error 0x800b0109”. If you use Configuration Manager, you might also receive the following error in the WUAHandler.log, \"Failed to download updates to the WUAgent datastore. Error = 0x800b0109. WUAHandler 14/11/2019 16:33:23 980 (0x03D4)\". Note All Configuration Manager information also applies to System Center Configuration Manager (SCCM) and Microsoft Endpoint Configuration Manager. Affected platforms:
Resolution: This issue was resolved in the December 2019 release of Windows Malicious Software Removal Tool (MSRT). Back to top | Resolved | Resolved: January 23, 2020 02:08 PM PT Opened: November 15, 2019 05:59 PM PT | |
| TLS connections might fail or timeout Updates for Windows released October 8, 2019 or later provide protections, tracked by CVE-2019-1318, against an attack that could allow unauthorized access to information or data within TLS connections. This type of attack is known as a man-in-the-middle exploit. Windows might fail to connect to TLS clients and servers that do not support Extended Master Secret for resumption (RFC 7627). Lack of RFC support might cause one or more of the following errors or logged events:
Affected platforms:
Next Steps: Connections between two devices running any supported version of Windows should not have this issue when fully updated. There is no update for Windows needed for this issue. These changes are required to address a security issue and security compliance. For information, see KB4528489. Back to top | October 08, 2019 KB4519976 | Mitigated External | Last updated: November 05, 2019 03:36 PM PT Opened: November 05, 2019 03:36 PM PT |
| Summary | Originating update | Status | Last updated |
| After installing an update and restarting, you might receive an error You might receive the error, “Failure to configure Windows updates. Reverting Changes.” or \"Failed\" in Update History. See details > | February 11, 2020 KB4537810 | Resolved | February 12, 2020 05:37 PM PT |
| MSRT might fail to install and be re-offered from Windows Update or WSUS The November 2019 update for Windows Malicious Software Removal Tool (MSRT) might fail to install from WU/WSUS. See details > | Resolved | January 23, 2020 02:08 PM PT | |
| TLS connections might fail or timeout Transport Layer Security (TLS) connections might fail or timeout when connecting or attempting a resumption. See details > | October 08, 2019 KB4520002 | Mitigated External | November 05, 2019 03:36 PM PT |
| Details | Originating update | Status | History |
| MSRT might fail to install and be re-offered from Windows Update or WSUS The November 2019 update for Windows Malicious Software Removal Tool (MSRT) might fail to install from Windows Update (WU), Windows Server Update Services (WSUS) or Configuration Manager and might be re-offered. If you use WU or WSUS, you might also receive the following error in the WindowsUpdate.log, “Misc WARNING: Digital Signatures on file C:\\Windows\\SoftwareDistribution\\Download\\XXXX are not trusted: Error 0x800b0109”. If you use Configuration Manager, you might also receive the following error in the WUAHandler.log, \"Failed to download updates to the WUAgent datastore. Error = 0x800b0109. WUAHandler 14/11/2019 16:33:23 980 (0x03D4)\". Note All Configuration Manager information also applies to System Center Configuration Manager (SCCM) and Microsoft Endpoint Configuration Manager. Affected platforms:
Resolution: This issue was resolved in the December 2019 release of Windows Malicious Software Removal Tool (MSRT). Back to top | Resolved | Resolved: January 23, 2020 02:08 PM PT Opened: November 15, 2019 05:59 PM PT | |
| TLS connections might fail or timeout Updates for Windows released October 8, 2019 or later provide protections, tracked by CVE-2019-1318, against an attack that could allow unauthorized access to information or data within TLS connections. This type of attack is known as a man-in-the-middle exploit. Windows might fail to connect to TLS clients and servers that do not support Extended Master Secret for resumption (RFC 7627). Lack of RFC support might cause one or more of the following errors or logged events:
Affected platforms:
Next Steps: Connections between two devices running any supported version of Windows should not have this issue when fully updated. There is no update for Windows needed for this issue. These changes are required to address a security issue and security compliance. For information, see KB4528489. Back to top | October 08, 2019 KB4520002 | Mitigated External | Last updated: November 05, 2019 03:36 PM PT Opened: November 05, 2019 03:36 PM PT |
| Message | Date |
| February 2020 Windows \"C\" optional release is available. The February 2020 optional monthly “C” release for all supported versions of Windows prior to Windows 10, version 1903 is now available. For more information on the different types of monthly quality updates, see our Windows 10 update servicing cadence primer. Follow @WindowsUpdate for the latest on the availability of this release. | February 25, 2020 08:00 AM PT |
| Status of February 2020 “C” release The optional monthly “C” release for February 2020 for all supported versions of Windows and Windows Server prior to Windows 10, version 1903 and Windows Server, version 1903 will be available in the near term. For more information on the different types of monthly quality updates, see our Windows 10 update servicing cadence primer. Follow @WindowsUpdate for the latest on the availability of this release. | February 21, 2020 12:00 PM PT |
| Compatibility issue with some Windows Server container images If you are encountering issues with Windows Server container images, please see KB4542617. | February 13, 2020 03:21 PM PT |
| Take action: February 2020 security update available for all supported versions of Windows The February 2020 security update release, referred to as our “B” release, is now available for Windows 10, version 1909 and all supported versions of Windows. We recommend that you install these updates promptly. For more information on the different types of monthly quality updates, see our Windows 10 update servicing cadence primer. To be informed about the latest updates and releases, follow us on Twitter @WindowsUpdate. | February 11, 2020 08:00 AM PT |
| Status update: Windows 10, version 1903 \"D\" optional release available August 30th The August optional monthly “D” release for Windows 10, version 1903 is now available. Follow @WindowsUpdate for the latest on the availability of this release. | August 30, 2019 08:00 AM PT |
| Feature update install notification on Windows 10, version 1809 (the October 2018 Update) We've had reports on August 29th that some customers running Windows 10, version 1809 (the October 2018 Update) have received notification to install the latest feature update (version 1903) early. Updating remains in your control. To install the update, you must select one of the following options: \"Pick a Time\", \"Restart Tonight,\" or \"Restart Now\". If you are not ready to update at this time, simply dismiss the notification by clicking the arrow in the top right corner. If you have updated to Windows 10, version 1903 and would like to go back to your previous version, see the instructions here. | August 29, 2019 04:39 PM PT |
| Take Action: Internet Explorer 11 now available on Windows Update/WSUS for Windows Server 2012 and Windows Embedded 8 Standard Internet Explorer 11 (KB 4492872) is now available via Windows Update (WU) and Windows Server Update Services (WSUS) for commercial customers running Windows Server 2012 and Windows Embedded 8 Standard. For details about these changes and end of support for IE10, please refer to the IT Pro blog. | August 29, 2019 08:00 AM PT |
| Take action: SHA-2 code signing support guidance for Windows 7 SP1 and Windows Server 2008 RS2 SP1 Windows 7 SP1 and Windows Server 2008 R2 SP1 update signatures are now SHA-2 based signatures and requires that SHA-2 support to be installed. For important customer guidance on installation and troubleshooting tips, please read the knowledge base article 2019 SHA-2 Code Signing Support requirement for Windows and WSUS. | August 23, 2019 03:35 PM PT |
| Take action: Windows 10, version 1703 (the Windows 10 Creators Update) reaches end of life on October 9, 2019 The Enterprise and Education editions of Windows 10, version 1703 (the Windows 10 Creators Update) will reach end of life on October 9, 2019. The Home, Pro, Pro for Workstations, and IoT Core editions reached end of service on October 8, 2018. There is no extended support available for any edition of Windows 10, version 1703. Therefore, it will no longer be supported after October 9, 2019 and will not receive monthly security and quality updates containing protections from the latest security threats. To continue receiving security and quality updates, Microsoft recommends that you update your devices to the latest version of Windows 10. For more information on end of service dates and currently supported versions of Windows 10, see the Windows lifecycle fact sheet. | August 23, 2019 02:17 PM PT |
| Windows 10, version 1903 rollout begins The Windows 10 May 2019 Update (Windows 10, version 1903) is available today to commercial customers via Windows Server Update Services (WSUS), Windows Update for Business, and the Volume Licensing Service Center (VLSC)—and to end users who manually select “Check for updates.” We are slowly throttling up availability while we carefully monitor data and feedback. | May 21, 2019 10:00 AM PT |