Authoritative Restore for Exchange administrative group

Hi,

While using ADSI Edit I made a mistake deleting container CN=Servers from under CN=Configuration , CN=Services, CN=Microsoft Exchange, CN=[YourExchangeOrganisationName], CN=Administrative Groups, CN=[LegacyAdministrativeGroupName], CN=Servers

I am having the system state backup.  before deleting the Exchange Server from the ADSEdit.msc