--- title: Microsoft fixes Windows Server 2016 security update failures description: Microsoft has resolved a known issue that caused June 2026 security update (KB5094122) installation failures on Windows Server 2016 systems. Affected devices... canonical: https://daily.dev/posts/microsoft-fixes-windows-server-2016-security-update-failures-lopdlm8gq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Microsoft fixes Windows Server 2016 security update failures | daily.dev og:description: Microsoft has resolved a known issue that caused June 2026 security update (KB5094122) installation failures on Windows Server 2016 systems. Affected devices... og:url: https://daily.dev/posts/microsoft-fixes-windows-server-2016-security-update-failures-lopdlm8gq og:image: https://api.daily.dev/og/posts/LopDLM8gQ.png og:image:alt: Microsoft fixes Windows Server 2016 security update failures og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Microsoft fixes Windows Server 2016 security update failures **[BleepingComputer](https://daily.dev/sources/bleepingcomputer)** · 2 min read · 0 upvotes · 0 comments ## Summary Microsoft has resolved a known issue that caused June 2026 security update (KB5094122) installation failures on Windows Server 2016 systems. Affected devices received 0x80070002 (ERROR_FILE_NOT_FOUND) errors, primarily when the May 2026 KB5087537 update had not been installed first. The fix is now live and no further installation failures should occur. The report also covers several other recently fixed Windows update issues, including KB5089549 failures on Windows 11 due to insufficient EFI System Partition space, update errors on Windows 11 24H2/25H2 devices, a BitLocker recovery bug on Windows Server 2025, WUSA installer failures, and an ongoing investigation into Office apps failing to launch after June 2026 updates. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Microsoft fixes KB5089549 Windows security update install issues](https://daily.dev/posts/microsoft-fixes-kb5089549-windows-security-update-install-issues-q5rwtymau) · BleepingComputer · 0 upvotes · 0 comments - [Microsoft: April Windows Server 2025 update may fail to install](https://daily.dev/posts/microsoft-april-windows-server-2025-update-may-fail-to-install-wup1wkdhj) · BleepingComputer · 0 upvotes · 0 comments - [Microsoft confirms Windows 11 security update install issues](https://daily.dev/posts/microsoft-confirms-windows-11-security-update-install-issues-k06ltyksv) · BleepingComputer · 0 upvotes · 0 comments - [Microsoft fixes Windows update failures linked to WUSA installer](https://daily.dev/posts/microsoft-fixes-windows-update-failures-linked-to-wusa-installer-96i6jfbuj) · BleepingComputer · 1 upvotes · 1 comments --- Tags: [#microsoft](https://daily.dev/tags/microsoft) [View this post on daily.dev](https://daily.dev/posts/microsoft-fixes-windows-server-2016-security-update-failures-lopdlm8gq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Microsoft fixes Windows Server 2016 security update failures","url":"https://daily.dev/posts/microsoft-fixes-windows-server-2016-security-update-failures-lopdlm8gq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/microsoft-fixes-windows-server-2016-security-update-failures-lopdlm8gq"},"datePublished":"2026-06-18T10:16:19.705Z","dateModified":"2026-08-24T07:06:10.563Z","description":"Microsoft has resolved a known issue that caused June 2026 security update (KB5094122) installation failures on Windows Server 2016 systems. 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