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Windows Account Lockout Policy, not taking effect

Windows Account Lockout Policy, 2 problems.

A previous admin configured a policy to lock after 4 failed attempts and auto-unlock after 15 minutes. This drives us crazy because by the time the end-user calls us, the account has unlocked. Wasted their time, wasted our time. I want to remove auto-unlock and require an admin to unlock.

Default Domain Policy is blocked from inheritance on Computer OU's. Each computer OU has its own policy. I have modified all policies to reflect 10 failed attempts, 1440 minutes for the duration (had it set to 0, wasn't working so I thought I'd try the 1440), reset counter after 15 minutes (and I reviewed every policy in each OU to make sure there isn't a duplicate entry).

I did this on the default domain policy and all specific OU's.

I ran RSOP, and it reported what I expected to see (the policy I defined).
I have forced GP update.
I checked Local Securiy Policy, shows exactly what it should.
Accounts lockout after 4 failed attempts and they are still auto-unlocking.

Check event logs to try and determine the source, and it only shows events where an admin has unlocked an account.
Windows OS

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Prior to getting a reply, I went into local security policy on the DC's and changed it there and it worked. I believe that your solution would be the correct way to do it so I went into the Domain Controllers OU and made the changes as well. Thanks!
Windows OS
Windows OS

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

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