Windows 11 24H2 Update Breaks Compatibility with USB Scanners and eSCL Devices

Microsoft confirms a major bug in its latest Windows update, affecting USB-connected devices using the eSCL protocol, with no immediate fix available.

• Windows 11 version 24H2 has introduced a bug preventing USB-connected devices using the eSCL protocol from being discovered by the operating system.
• The eSCL protocol supports driverless scanning and is widely used for devices such as scanners, printers, modems, and fax machines across Ethernet, Wi-Fi, and USB connections.
• The issue stems from the operating system's inability to switch devices from eSCL mode to USB mode, blocking driver matching and rendering affected devices unusable.
• Microsoft has implemented a compatibility hold to prevent automatic updates on systems with eSCL devices and advises users against manually installing the update until a resolution is provided.
• Businesses and individual users report significant disruptions, urging Microsoft to expedite a fix, though the company has not provided a timeline for resolving the issue.

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