The Enterprise Domain Controllers group does not have read access to this GPO

I need a little help.  I am using the Group Policy Management snap in and when I try access a group policy I get a group policy management pop up:  

"The Enterprise Domain Controllers group does not have read access to this GPO.  The Enterprise Domain Controllers group must have read access on all GPO's in the domain in order for Modeling to function properly."

I don't understand what it is trying to communicate for sure.  I want to change the password policy and the lockout policy.  Will this prevent the change from being replicated proplerly.

Rick
rarnold_6951Asked:
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LauraEHunterMVPConnect With a Mentor Commented:
Group Policy Modeling is a new feature of Windows Server 2003 that simulates
the resultant set of policy for a given configuration. The simulation is
performed by a service that runs on Windows Server 2003 domain controllers.
In order to perform the simulation in cross-domain scenarios, the service
must have read access to all GPOs in the forest.


In a Windows Server 2003 domain (whether it is upgraded from Windows 2000 or
installed as new), the Enterprise Domain Controllers group is automatically
given read access to all newly created GPOs. This ensures that the service
can read all GPOs in the forest.


However, if the domain was upgraded from Windows 2000, any existing GPOs
that were created before the upgrade do not have read access for the
Enterprise Domain Controllers group. When you click a GPO, GPMC detects this
situation and notifies the user that Enterprise Domain Controllers do not
have read access to all GPOs in this domain. To solve this problem, you can
use one of the sample scripts provided with GPMC,
GrantPermissionOnAllGPOs.wsf. This script can update the permissions for all
GPOs in the domain. To use this script:


1. Ensure that the person running this script is either a Domain Admin or
has permissions to modify security on all GPOs in the domain.


2. Open a command prompt and navigate to the %programfiles%\gpmc\scripts
folder by typing: CD /D %programfiles%\gpmc\scripts


3. Type the following: Cscript GrantPermissionOnAllGPOs.wsf "Enterprise
Domain Controllers" /Permission:Read /Domain:value
The value of domain parameter is the DNS name of the domain.

Hope this helps.

Laura E. Hunter - Microsoft MVP: Windows Server - Networking
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rarnold_6951Author Commented:
We are running a Windows 2000 domain, and from what you describe that is the problem.  We are getting ready to upgrade the Domain Controllers to Windows 2003 in the next few weeks.

Rick
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