Hi tech2010,
Password policies are applied at domain level in Windows 2003. If you apply them at OU level, they might affect only local user accounts.
HTH
Toni
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Browse All TopicsWe had Password Policy and Account Lockout Policy defined under computer configuations as below on one of the OU in AD.
Account Policies/Password Policy:
Enforce password history: 12 passwords remembered
Maximum password age: 30 days
Minumum password age: 29 days
Minumum password length: 8 characters
Password must meet complexity requirement: Enabled
Account Policies/Account Lockout Policy:
Account Lockout duration: 60 minutes
Account Lockout threshold: 3 invalid logon attempts
Reset account lockout counter after: 60 minutes
But i had noticed that it was applying half of the policy, "account lockout threshold" , "Minimum Password length" and "Password complexity requirements" etc..was not applying to the users. Is this possible?
So i did bit of googling and found that these password policy is the domain level policy and has to be set on domain level. So i removed the link of the plicy from that OU and added into domain level. After a day or two we noticed that it immediately prompted users to changed their passwords and it has forced them to use complexity requirement and also it locked the account after 3 invalid attempts. Because users were not aware of the complexity requirements so it locked them out. It was terrible morning today because we had lot of users calls.
So i then immediately taken off that policy from the domain level and from that OU. but it still seems that that policy is still effective. Someone how password complexicty still in place and when users prompted they has to use complexcity password. It is very strange.
I have gone through on all the OUs and this policy is not defined anywhere but still applying. do you know why?
Also please explain is it policy half of the policy can be applied or not? please explain which of the setting works on domain level and what setting works on OU level? thanks.
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if that is the case then why previously we were getting password change reminder after every 30 days even the policy was not defined at domain level, thats why i am thinking is it the case that some of the polices does work on OU level but certain policies are on the domain level?
Also i have not taken out password policy off from the domain and OU but still applying to the users, why? is it taking time to take off from the system?
As per the above two comments, 2003 account policies have to be linked at the domain level. Typically in the Default Domain Policy.
Domain controllers are hard-coded to read their account polices at the domain level. As these account policies are linked at the domain, and as such affect all machines in the domain, the result is that the same policy applies to domain accounts, and all local accounts on each machine.
You can set local account policies at the OU level, but remember that it's a computer config policy, and has to affect the domain controller machines to affect domain users. Linking to an OU holding computers will only affect the local account policies of those computers, not the domain accounts.
Tony
With regards to why the account policy is still applying, I have a feeling that Account Policies tattoo. That is, even when you remove them from the GPO, they remain as part of the local policy on the affected machines.
That would be your DCs in this case. Check gpedit.msc on a DC, check the account policies set here.
Just tested this to confirm and it is correct - account policies tattoo. So if you simply remove the GPO, the settings will still remain (or similarly if you set to 'Not Defined' they will remain).
Either configure the policies how you want them on a domain-linked GPO, or alternatly, edit the local policy of your DC(s).
Tony
Hi BluntTony, great thanks for clearify this. In IT we learn everyday.
So account policies tattoo means that they remains effected unless applied different settings.
That explains why it was not letting us to change local admin password on some fn the user's machine because of the policies were effecting local accounts on the machines.
So as you said that it remember the account policies lastly applied so it has to be applied with different settings if need to remove the settings, and on the domain level. Probably because now the policies has applied so may be we wont want to change the behaviour. But that still does not explain why we were getting password change reminder before, Oh might be because of was defined on domain controller.
The worst part which happened after i placed the policy on domain level on friday (just before weekend) then on Monday morning most of the users or all users were get prompted to change password immediately even though they did not reach 30 days expire period. Because users were not aware of complexity password criteria then get locked after 3 wrong attempts.
Tony, so at the moment there is no account policies linked on the domain level and it has applied becuase of it remebers the last applied settings. Can i ask you if i just now link the same policy again on to domain level. will not again prompt everyone to change their password? (even if i keep the same settings as before under account policies)
Hi there,
I'm guessing that the reason everyone was prompted because you introduced a max password age which didn't exist before? Therefore everyone with a password > 30 days old got prompted on the Monday.
Since their passwords will now be less than 30 days old, they will not get prompted again.
And you are correct - because the settings tattooed, you actually haven't changed anything on the server by removing the GPO setting. Reintroducing the saem settings will not change anything either.
Hope this helps...
Business Accounts
Answer for Membership
by: KCTSPosted on 2009-09-28 at 03:27:24ID: 25438014
In a windows 2000 or 2003 domain you can only have ONE account policy, that is applies at the DOMAIN
any account policies applied to OUs have no effect.