Need help with password length GPO setting

2008 r2... I want to set our password length to 15 characters via GPO but it only allows me 0-14 for character length. How can I update/change that so I can set it to 15?
bankadminAsked:
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Gary DewrellSenior Network AdministratorCommented:
Not possible with GPO. According to Microsoft documentation:
Reference

The Minimum password length policy setting determines the least number of characters that can make up a password for a user account. You can set a value of between 1 and 14 characters, or you can establish that no password is required by setting the number of characters to 0.
Possible values

User-specified number of characters between 0 and 14

Not defined

Best practices

Set Minimum password length to at least a value of 8. If the number of characters is set to 0, no password is required. In most environments, an eight-character password is recommended because it is long enough to provide adequate security and still short enough for users to easily remember. This value will help provide adequate defense against a brute force attack. Adding complexity requirements will help reduce the possibility of a
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Will SzymkowskiSenior Solution ArchitectCommented:
All you need to do is set your Minimum Password Length to 15 on your Default Domain Controllers Policy.

If you want to create this for specific users then you can use PSO/Fine Grained Password Policies.

Configure Fine Grained Password Policies
https://technet.microsoft.com/en-us/library/cc770842(v=ws.10).aspx

Will.
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bankadminAuthor Commented:
WIll,
What I did is copied my default domain policy to a new policy I created then attempted to change it to 15 but it will only go up to 14. I only want this to apply to a few users so I need a separate GPO
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Will SzymkowskiSenior Solution ArchitectCommented:
You cannot "copy" the default domain policy and then link it to another OU. If you want to create a different password policiy then you will need to create a new Fine Grained Password Policy. Follow the link in my first post and you will be on your way.

Will.
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bankadminAuthor Commented:
I created a PSO using ADSI Edit. It was strait forward with the instructions I had some issue with the last step (15) I had to enter the OU in a DN format which I did then it completed. I want this rule to apply to all the users in a particular OU so I entered OU=name, DN=domain, DN=com and it created the PSO but when I tested it, it didn't work. I forced a reset on a user account that resides in that OU and I set it to 9 characters and it worked so the PSO didn't apply correctly. Any idea's?
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Will SzymkowskiSenior Solution ArchitectCommented:
You did not specific the connect syntax for the OU path.
OU=name, DN=domain, DN=com

It should be like below...
"ou=name,dc=domain,dc=com"

Will.
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bankadminAuthor Commented:
I looked at it this morning and it was correct and I tried it and it did work. I must have been connected to our other DC during testing yesterday and it took a while for the PSO to apply across the board.
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