Cause: The Lenovo catalog XML is large (sometimes 500MB+). IIS timeouts occur. Fix: Increase the WSUS IIS connection timeout to 3600 seconds and ensure your SQL Server has sufficient memory.
If you have a Lenovo Premier Support contract, ask about the TmSdk. It allows AutoPatcher to interface directly with Lenovo’s warranty and asset data, automatically fetching the correct driver packs based on MT-M (Machine Type-Model). lenovo autopatcher
To make it truly “Auto,” create an ADR that runs monthly: Cause: The Lenovo catalog XML is large (sometimes 500MB+)
Cause: The new driver conflicts with a previously installed OEM driver.
Fix: In your task sequence, run pnputil.exe /delete-driver for the old INF before staging the new one. Lenovo provides cleanup scripts in the AutoPatcher toolkit for this. BIOS/ UEFI Firmware Patching