Microsoft has fastened a recognized situation that causes the June 2026 safety updates to fail on Home windows Server 2016 techniques that aren’t updated.
This situation was confirmed with a Administration Portal service alert that confirms IT administrator experiences of 0x80070002 or FILE_NOT_FOUND errors on affected techniques.
This bug primarily affected prospects who tried to put in the KB5094122 replace with out having put in final month’s KB5087537 safety replace.
Based on Microsoft, the safety replace set up situation has now been resolved and affected gadgets ought to not expertise set up failures when deploying the June 2026 safety replace KB5094122.
“Microsoft has obtained experiences that the June 2026 Safety Replace (authentic KB above) could not set up on some gadgets operating Home windows Server 2016,” the corporate mentioned.
“Affected gadgets could have obtained error code 0x80070002 (ERROR_FILE_NOT_FOUND) throughout replace set up.”
Just lately fastened Home windows replace set up points
Final month, Microsoft resolved the same situation that induced set up failures and 0x800f0922 errors when deploying the Could 2026 Home windows 11 Safety Replace (KB5089549).
As Microsoft defined when it acknowledged the difficulty, these failures had been brought on by an absence of free area on the EFI System Partition (ESP), and updates had been mechanically rolled again on affected gadgets.
Additionally in early June, the corporate warned prospects that there was a problem putting in the newest month-to-month replace, which might trigger some Home windows gadgets upgraded to Home windows 11 24H2 or 25H2 to show 0x80073712 or 0x800f0993 errors.
Final week, Microsoft fastened one other recognized situation that induced Home windows Server 2025 gadgets as well into BitLocker restoration after putting in the April 2026 safety updates, and a bug that induced Home windows updates launched after Could 2025 to fail to put in when put in utilizing the Home windows Replace Standalone Installer (WUSA).
Microsoft additionally confirmed Wednesday that it’s investigating a problem that stops third-party functions from beginning Phrase, Excel, PowerPoint, Entry, and different Workplace functions (or opening paperwork) on Home windows techniques after putting in the June 2026 replace.
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