Windows 10, version 1809 and Windows Server 2019 known issues
Microsoft lists 1 open issue for Windows 10, version 1809 and Windows Server 2019. Below is every issue Microsoft has listed for this version, with the update that caused it and when it was resolved.
| Issue | Status | Caused by | Opened | Resolved or updated |
|---|---|---|---|---|
| SQL Server linked server connections might remain open | Confirmed | OS Build 17763.9376, KB5126651, 2026-10-13 | 11 November 2026 | 11 November 2026 |
| Users might be unable to sign in to OWA or send emails on Exchange Server | Resolved KB5131085 | OS Build 17763.9376, KB5126651, 2026-10-13 | 10 November 2026 | 10 November 2026 |
| USB audio devices might fail to start or produce no sound | Resolved KB5131085 | OS Build 17763.9245, KB5122876, 2026-09-08 | 10 November 2026 | 10 November 2026 |
| Remote Desktop Services might stop responding after Sept. 2026 security update | Resolved KB5129238 | OS Build 17763.9245, KB5122876, 2026-09-08 | 11 September 2026 | 14 September 2026 |
| Incorrect notifications that "Microsoft Defender Antivirus is turned off" | Resolved | N/A | 28 August 2026 | 30 September 2026 |
| Windows Server Update Services sync operations might have issues or time out | Resolved | N/A | 18 July 2026 | 20 July 2026 |
| Deleting a file from the Recycle Bin displays an internal filename in the dialog | Resolved KB5099538 | OS Build 17763.8880, KB5094123, 2026-06-09 | 18 June 2026 | 14 July 2026 |
| Domain controllers may restart repeatedly after installing April security update | Resolved KB5091573 | OS Build 17763.8644, KB5082123, 2026-04-14 | 17 April 2026 | 19 April 2026 |
| Apps might become unresponsive when saving files to cloud-backed storage | Resolved KB5078131 | OS Build 17763.8276, KB5073723, 2026-01-13 | 21 January 2026 | 23 January 2026 |
| Some devices might fail to shut down or hibernate | Resolved KB5075904 | OS Build 17763.8276, KB5073723, 2026-01-13 | 16 January 2026 | 10 February 2026 |
| Connection and authentication failures in Azure Virtual Desktop and Windows 365 | Resolved KB5077795 | OS Build 17763.8276, KB5073723, 2026-01-13 | 14 January 2026 | 17 January 2026 |
| Message Queuing (MSMQ) might fail with the December 2025 Windows security update | Resolved KB5074975 | OS Build 17763.8146, KB5071544, 2025-12-09 | 13 December 2025 | 18 December 2025 |
| Smartcard authentication issues might occur with the October 2025 Windows update | Resolved | OS Build 17763.7919, KB5066586, 2025-10-14 | 18 October 2025 | 23 October 2025 |
| Windows Server 2022 and Server 2019 unexpectedly upgraded to Windows Server 2025 | Resolved KB5082123 | N/A | 9 November 2024 | 14 April 2026 |
Source: Microsoft's release health page for Windows 10, version 1809 and Windows Server 2019. Dates are in UTC.
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