Store password using reversible encryption for all users in the domain enabled

It has recently been discovered that the Password Policy option "Store password using reversible encryption for all users in the domain" is currently enabled.

We have confirmed that there are no systems within our infrastructure that require this feature.  Knowing this, we would like to harden the password policy and disable this feature.  

Question:  If we go ahead and disable it, will users be affected in any way, e.g., users required to change password, etc.

Thanks for any help!
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bsohn417Asked:
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LauraEHunterMVPCommented:
Your users will not be immediately prompted to change their passwords unless you manually that option. However, the reversible-encryption version of their password will remain stored in AD until the next time they change.

So in reality you should plan to force a password change in order for this step to do any good, since merely disabling that checkbox will only prevent passwords from being stored this way for any new accounts that are created; any existing passwords will remain stored in AD using reversible encryption until the next time the password is changed.

Hope this helps.

Laura E. Hunter - Microsoft MVP: Windows Server - Networking
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