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We have an embedded PC that initially starts off life with a link-local IPv4 address, typically 169.254.0.1. It broadcasts its existence using Zeroconf using the python-zeroconf library. These Zeroconf messages are happily received on the Mac, but the ZeroConf broadcast is never received on Windows 10 unless the PC is also on a link-local address too.

Is this a limitation of Windows, or is there a setting that allows Windows to communicate with other link-local addresses on the network even when assigned a static IP address?

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  • Zeroconf isn't an actual protocol. What exactly is your program actually doing? Commented Aug 12, 2021 at 13:56
  • I cannot ping Link-local addresses on Windows 10 unless the Windows laptop is also on a link local address. The strange thing is that some Windows PCs work, some don't. I'm trying to work out the difference. Commented Aug 13, 2021 at 15:31

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You can install a third-party mDNS resolver such as Bonjour for Windows to enable support in Win32. And check this post.

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