How To Clear Or Delete PuTTY's Cached SSH Host Keys In Windows 11 Registry Editor

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Duration: 5:20
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In this video, I will be showing you how to clear and delete PuTTY's cached Ssh host keys on your Windows 11 PC. When you first connect to a server, you are always greeted with a PuTTY security alert notification where you're asked if you would like to add the key to PuTTY's cache and carry on connecting. Most likely, you chose to Accept for PuTTY to add the key to its cache and you also completed the log in process, caching the servers Ssh host key. If you want to connect and log in just once to your server without adding the key to the cache, you can choose to Connect Once. Caching the Ssh host key for your server, ensures that you will not be greeted again with the PuTTY security alert. Clearing your PuTTY Ssh host key cache and connecting to your server again treats your connection attempt as a first time log in attempt to the server and PuTTY will once again greet you with the PuTTY security alert notification.

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Steps To Delete PuTTY's Cached SSH Host Keys In Windows 11s Registry Editor:

1. Navigate to your Windows taskbar and click on Search
2. In the search box type "Registry Editor"
3. Click Open or click on the Registry Editor App under Best match
4. Click Yes when greeted with Windows 11s User Account Control notification
5. In the Registry Editor under "Computer", click on the arrow next to HKEY_CURRENT_USER
6. Click the arrow next to Software
7. Click the arrow next to SimonTatham
8. Click the arrow next to PuTTY
9. Click on SshHostKeys
10. Highlight all the REG_SZ type files that you want to delete, except for (Default).
11. Right click on a highlighted REG_SZ file and click on Delete. This will delete the registry value(s) you chose to delete.
12. Close the Registry Editor.

PuTTY's SshHostKeys Registry Editor Cache Location: Computer\HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\SshHostKeys

Congratulations, you have successfully deleted PUTTY's cached Registry Editors SSH host keys.

Timestamps:
0:00 - Intro & Context
1:44 - Clear Or Delete PuTTY's Cached SSH Host Keys In Windows 11
4:51 - Closing & Outro

How To Clear Or Delete WinSCP Cache - How To Clean Up WinSCP Application Data https://youtu.be/rk5FZPjqzac

How To Install PuTTY on Windows https://youtu.be/0ptZPTTwRaE

How To Download And Install WinSCP - How To Transfer Files Using SFTP In WinSCP https://youtu.be/w-TI-e23Yuw

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Microsoft Windows 11 Tutorials - Apps & Quality of Life Guides (Playlist) https://www.youtube.com/playlist?list=PLco3v23oibTWibg2vql4k4Q6w7AiaecU5

Microsoft Windows 10 Tutorials - Apps & Quality of Life Guides (Playlist) https://www.youtube.com/playlist?list=PLco3v23oibTXKLWvJD3j1OXxbsiAdPXSu

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Tags:
How To Clear Or Delete PuTTY's Cached SSH Host Keys In Windows 11 Registry Editor
SshHostKeys
PuTTY
Clear PuTTY Cache
Delete PuTTY's Cache
Windows 11
Windows
SshHostKeys Location: Computer\HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\SshHostKeys
How To Clear PuTTY's Cached SSH Host Keys In Windows 11 Registry Editor
How To Delete PuTTY's Cached SSH Host Keys In Windows 11 Registry Editors
Computer\HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\SshHostKeys
Registry Editor
SSH
REG_SZ