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I am looking for a way to resolve .local addresses in Windows 10.

Windows itself also includes mDNS support, but that appears to only be available for Modern API applications.

In the past, the advice has always been to install Apple's Bonjour, for instance How to enable mDNS on Windows (7). Unfortunately, that seems to no longer be working.

As far as I can tell, the problem is that one of Windows' own processes, DNSCache, is now listening on port 5353.

How do I get mDNS to work for non-Modern applications?

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I ended up finding the answer minutes after posting my question.

The solution is to first disable mDNS in Windows. This has to be done in the registry. As usual, the standard warning applies: editing the registry is not for the faint of heart, and doing it incorrectly can damage your Windows installation beyond repair.

Navigate to the registry key Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\DNSClient. If the key does not exist, you may need to create it.

Then add the value EnableMulticast as a REG_DWORD, with the value 0.

Reboot.

Then install Bonjour. After this hack, mDNS works as expected.

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