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Typical Windows Smart Card lockout error

Resetting Pin Code

1. Locate the YubiKey Manager  in the Windows Start Menu
   
2. Click on Applications 
   
3.  PIV from the Applications Dropdowan
   
4. Configure Pin
   
5. Should say Unblock Pin if your pin code is blocked. If it says change, your pin code should still be valid. 
   Click on Unblock Pin 
   
6. Enter your PUK 
   1. PUK: This is the reset pin when you first setup the YubiKey. If you forgot this information or did not write it down, the YubiKey must be reset and reset up for all MFA login & certs generated on the device (wipe and start over)

   2. New Pin: This can be the same pin you just locked out or create a new one that will be used for all future logins with your Yubikey accounts.
      

   3. Unblock pin
7. Unplug & re-plugin your Yubikey
8. Try logging in with new pin code set 
   

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