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b8316737
What's DOS?
Posts: 1
Registered: ‎08-18-2019
Location: US
Views: 110
Message 1 of 1

How long is TPM lockout duration on W530?

I entered the wrong PIN for the pre-boot Bitlocker prompt. It's now requiring me to enter a recovery key which I don't have (no print out, no file, no Microsoft account).  I've read various articles stating what the lockout duration is ranging from 2 to 62 hours, but that with TPM 1.2, which the W530 has, the hardware manufacturer can set the duration to whatever they want.  I tried re-entering the PIN after waiting two hours, then again after 12 hours, but it still says it's incorrect -- however, I know without a doubt that it is the correct PIN, so I'm guessing TPM is still in lockout mode.

 

So that I'm not waiting for nothing, can someone confirm what Lenovo sets the TPM lockout duration to be?  Or will I absolutely need the recover key to proceed even though I know what the PIN is?

 

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