ADFS ESL finegrained password policy

Skip Hofmann 341 Reputation points
2022-02-09T13:44:47.517+00:00

Hello

If using multiple finedgrained password policies, what should be the value for Extranetlockoutthreshold ? The default domain password policy is 10 failed attempts. However the finedgrained policies all have different values for failed logon attempts

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  1. Limitless Technology 39,331 Reputation points
    2022-02-10T09:48:27.187+00:00

    Hi there,

    There is no definite value for it but it is strongly recommended that you set the ExtranetLockoutThreshold parameter value to a value that is less than the AD account lockout threshold. Failing to do so would result in AD FS being unable to protect accounts from being locked out in Active Directory.

    Once the threshold is reached, AD FS will immediately rejects the requests from extranet without attempting to contact the domain controller for authentication, no matter whether password is good or bad, until the extranet observation window is passed.

    An example of enabling Extranet Lockout feature with maximum of 15 number of bad password attempts and 30 mins soft-lockout duration is as follows:

    Set-AdfsProperties -EnableExtranetLockout $true -ExtranetLockoutThreshold 15 -ExtranetObservationWindow (new-timespan -Minutes 30)


    --If the reply is helpful, please Upvote and Accept it as an answer--

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