cannot reset password from Exchange 2010 webmail login.

I login to Exchang e 2010 web mail, click option, change password.  The first time it works.  The second time when I try to change it , it says "The password you entered does not meet the mininum security requirements".  

Please advise if someone has an idea.  

Thank you!
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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
In Windows Domain, you can set password complexity and if it is set, by default passwords must meet three of four complexities:  upper case, lower case, number and special characters.  If this complexity is set then the password must meet the minimum length and complexity.  Please check your default domain policy or any other policy where you have configured password length and complexity where the user account belongs to.
You can also disable that password policy if you want in active directory.
The standard policy is best practice thought...

something to think about
nav2567Author Commented:
our default domain password policy has no complexity requirements.  Just min password length is set to 6 chars.  

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Do any events get logged ?
The page you are accessing is SSL encrypted correct?
Your password policy, does it have a "Minimum password age" defined?

If it is set to "1", you have to wait one day before you can change the password again.
nav2567Author Commented:
I created a GPO and defined the minimum password age to 0.  I defined it in computer configuration.  For some reason, it was filtered out and did not apply.  

Can I defined it in user configuration?  Is this the right way to do it?

Please advise again.

Simon Butler (Sembee)ConsultantCommented:
You cannot do granular password policy in group policy without additional work. Therefore if you have a password policy elsewhere, that will probably apply.

Exactly what version of Exchange 2010 are you on? SP3?

SandeshdubeySenior Server EngineerCommented:
I will recommend to apply the policy is default domain policy so that it is applied to all client computer instead of creating new one.By default Windows 2003 can have only One Password Policy per Domain.

You need to set minimum password age to 0 as other suggested.
Password Complixity Error While Change Password through OWA

After setting the policy you need to reboot the client computer for setting to take effect.

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nav2567Author Commented:
Thanks, everyone.
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