https://bugs.winehq.org/show_bug.cgi?id=56744
--- Comment #2 from Hans Leidekker hans@meelstraat.net --- Is there an app that fails because of this? We use this value to set Win32_ComputerSystemProduct.IdentifyingNumber and querying that property on a Qemu VM returns an empty string. On real hardware it returns "System Serial Number".