Microsoft Reports Windows Update Failures on Restricted Networks
Summary
Microsoft says January 2026 optional preview updates can cause Windows Update downloads to fail in restricted networks with error 0x80010002. Administrators can apply Known Issue Rollback policies while Microsoft works on a fix.
Key points
- The issue affects restricted-network environments after installing the January 2026 optional non-security preview updates.
- Windows Update may show error 0x80010002 and prevent downloads through the Settings page.
- Microsoft attributes the failure to changed download timeout requirements, not device integrity or the ability to install updates.
- Administrators can apply the relevant Known Issue Rollback group policy for Windows 11 26H1, Windows 11 24H2 or 25H2, and Windows Server 2025, then restart devices.
- Microsoft is working on a permanent fix.
Article Details
- Event Type
- Windows Update download failure following January 2026 optional non-security preview updates
- Impact
- In network-restricted environments, affected devices may display error 0x80010002 and be unable to download later Windows updates through Settings. Microsoft said the issue is caused by changed download-timeout requirements, not device integrity or the ability to install updates. Microsoft is working on a permanent fix; administrators can apply the applicable Known Issue Rollback group policy and restart devices as a workaround.
People
Vendors
Products
Windows 11Windows 11 26H1 KB5083806 Known Issue RollbackWindows Server 2025Windows 11 24H2, Windows 11 25H2 and Windows Server 2025 KB5083631 Known Issue RollbackWindows UpdateMicrosoft says Windows Update may fail in network-restricted environments after installing the January 2026 optional non-security preview updates, showing error code 0x80010002 on affected devices.