This policy setting determines which domain controller the Group Policy Object Editor snap-in uses.If you enable this setting you can which domain controller is used according to these options:"Use the Primary Domain Controller" indicates that the Group Policy Object Editor snap-in reads and writes changes to the domain controller designated as the PDC Operations Master for the domain."Inherit from Active Directory Snap-ins" indicates that the Group Policy Object Editor snap-in reads and writes changes to the domain controller that Active Directory Users and Computers or Active Directory Sites and Services snap-ins use."Use any available domain controller" indicates that the Group Policy Object Editor snap-in can read and write changes to any available domain controller.If you disable this setting or do not configure it the Group Policy Object Editor snap-in uses the domain controller designated as the PDC Operations Master for the domain.Note: To change the PDC Operations Master for a domain in Active Directory Users and Computers right-click a domain and then click "Operations Masters."