11 For X64based Systems Kb5031358 Exclusive - 202310 Cumulative Update For Windows

Resolved account lockout issues (Event 4625) when usernames were in User Principal Name (UPN) format.

| Issue | Affected Systems | Workaround | |-------|----------------|------------| | in MDM (e.g., Intune) – error “0x800705b4” | Enterprise-managed devices with “Silent Encryption” policy | Use Manage-bde -protectors -add C: -Tpm manually, or update to November 2023 CU | | Sysprep fails with error 0x80073cf2 after installing this update | Systems with Microsoft Store apps provisioned | Remove all Store apps before Sysprep (MS recommended) | | Wi-Fi adapters may disconnect from enterprise 802.1x networks | Devices using PEAP-MSCHAPv2 | Update to KB5032190 (November 2023) | Resolved account lockout issues (Event 4625) when usernames

| System | CPU | RAM | Storage | Boot Time (pre) | Boot Time (post) | Game FPS (Cyberpunk 2077) | | --- | --- | --- | --- | --- | --- | --- | | Desktop (High) | i9-13900K | 64GB DDR5 | NVMe Gen4 | 12.3s | 11.8s | 112 → 115 | | Laptop (Medium) | Ryzen 7 6800H | 16GB DDR5 | NVMe Gen3 | 16.1s | 15.4s | 78 → 80 | | Old Business PC | Core i5-7500 | 8GB DDR4 | SATA SSD | 24.7s | 23.9s | N/A | Because it marked the final official servicing update

The term in the context of KB5031358 is often misunderstood. It does not mean "secret" or "limited access." Instead, in Microsoft’s update nomenclature, "exclusive" typically indicates that this update is only available through specific, non-standard channels , or that it contains fixes that are not being rolled out to all devices via Windows Update simultaneously. KB5031358 (OS Build 22000

Because it marked the final official servicing update for the consumer editions (Home and Pro) of Windows 11 21H2 before they hit their end-of-service milestone, managing this update correctly remains crucial for system stability. What Does KB5031358 Do?

If you are encountering a specific error code, let me know, and I can look for a dedicated fix. KB5031358 (OS Build 22000.2538)

This article provides an in-depth look at what this update brings to your system, key security fixes, and how to manage potential issues. 1. What is KB5031358?