Exchange server 2013 /PrepareAD or installing Cumulative Updates [ CUxx ] fail with the error,
while running Organization Preparation The following error was generated when "$error.Clear(); install-AdministrativeGroup -DomainController $RoleDomainController " was run: "Active Directory operation failed on Servername.domain.com . The object
'CN=Folder Hierarchies, CN=Exchange Administrative Group (FYDIBOHF23SPDLT),
CN=Administrative Groups, CN=Exchange Organization,CN=Microsoft Exchange,...(read more)![]()
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