Windows 2000/2003 Security

I found a strange issue in the Active Directory of my company these days; the user permission in Security option of the shared folder will be changed automatically; it will be add the "Deny Administrators"  entry and the other ...

We've recently replace our RAS servers with a firewall appliance that uses IAS for authentication.  We've noticed that if passwords expire, the user is no longer prompted to change the password.  Is this a limitation of using IAS? ...