Microsoft Fixes Windows Server 2016 Security Update Installation Failures

Summary
Microsoft says it fixed an issue that caused June 2026 security update KB5094122 to fail on some Windows Server 2016 systems lacking the previous KB5087537 update, with 0x80070002 or FILE_NOT_FOUND errors.
Key points
- The issue affected some Windows Server 2016 systems installing June 2026 security update KB5094122 without first installing KB5087537.
- Affected installations could return 0x80070002 or FILE_NOT_FOUND errors.
- Microsoft says the issue is resolved and affected devices should now install KB5094122 normally.
Article Details
- Event Type
- Microsoft resolved a security update installation issue affecting some Windows Server 2016 systems.
- Impact
- Affected systems attempting to install KB5094122 without first installing KB5087537 encountered 0x80070002 or FILE_NOT_FOUND errors. Microsoft says the issue is fixed and affected devices should now install the update normally.
