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Where does Putty store known_hosts information on Windows?

Fresh7 days ago
Mar 15, 2026182695 views
Confidence Score1%
1%

Problem

How do I tell if Putty already knows about and has cached credentials for specific ssh servers? Another way to ask this question is what is the Windows/Putty equivalent of a unix/ssh known_hosts file?

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1 Fix

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New Fix – Awaiting Verification

Fix for: Where does Putty store known_hosts information on Windows?

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Putty stores known hosts under a registry key: .

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