Domain Policy vs Local Policy

Domain Policy vs Local Policy

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Domain Policy vs Local Policy =?Utf-8?B?SmFtZXMgUmlnb3Vsb3Q= 09-29-2005
Posted by =?Utf-8?B?SmFtZXMgUmlnb3Vsb3Q= on September 29, 2005, 5:02 pm
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On a workstation that is attached to my domain will the security policy that
the domain supplies override any local policies? Can a local workstation
policy trump the domain policy if it is more restrictive? Thanks in advance
for any help and information that you caan provide.

Posted by Steve Clark [MSFT] on September 29, 2005, 6:13 pm
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The order of precedence for Group Policy is:

Local - Site - Domain - OU

They are applied in that order, last write wins. So, site policies trump
Local, and Domain trumps site, and so on.

The exception to this is the use of "Persistent policy" for the Local policy
which can be used for IPsec to secure a machine even if it cannot download
the GPO from the Active Directory.

From the Windows 2003 Tech Center:

"This policy adds to or overrides the local or Active Directory policy, and
remains in effect regardless of whether other policies are applied or not.
Persistent IPSec policies enhance security by providing a secure transition
from computer startup to IPsec policy enforcement. Persistent policy also
provides backup security in the event of an IPSec policy corruption, or if
errors occur during the application of local or domain-based IPSec policy.
To configure persistent policies, you must use the netsh ipsec static set
store location=persistent command.
When designing persistent IPSec policy, it is important to consider the
potential impact of persistent policy on remote management. If local or
domain-based IPSec policy is not applied and the persistent IPSec policy is
the only policy that is applied, attempts to remotely diagnose an issue
might be blocked by the persistent IPSec policy. To allow for remote
management in case troubleshooting is required, it is recommended that you
create appropriate permit filters when configuring persistent IPSec policy."



Hope that helps.



> On a workstation that is attached to my domain will the security policy
> that
> the domain supplies override any local policies? Can a local workstation
> policy trump the domain policy if it is more restrictive? Thanks in
> advance
> for any help and information that you caan provide.



Posted by Steven L Umbach on September 29, 2005, 6:13 pm
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Group Policy is applied in this order with the last policy applied winning
if an identical setting is defined in multiple policies -
local>site>domain>OU>child OU which means that any setting defined in the
local policy would be overridden by a domain/OU policy. If a setting is not
defined at the domain/OU level then the local policy defined setting will be
the effective policy for that particular setting. You can not have a defined
setting at the local security level override the identical defined setting
at the domain/OU level though it may work until the next security policy
refresh that may take up to 16 hours. Between using Group Policy filtering
[using the Group Policy apply permission in it's properties/security] and/or
multiple OUs linked with Group Policies you usually can accomplish what you
need for security settings for a particular computer. If you have a specific
scenario you need help with let us know. --- Steve




> On a workstation that is attached to my domain will the security policy
> that
> the domain supplies override any local policies? Can a local workstation
> policy trump the domain policy if it is more restrictive? Thanks in
> advance
> for any help and information that you caan provide.



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