[Samba] Unable to set SeDiskOperatorPrivilege

[Henry McLaughlin]

root at aphrodite:/# net rpc rights list accounts -U'DOMAIN\administrator'
Enter DOMAIN\administrator's password:
BUILTIN\Print Operators
No privileges assigned

BUILTIN\Account Operators
No privileges assigned

BUILTIN\Backup Operators
No privileges assigned

BUILTIN\Server Operators
No privileges assigned

BUILTIN\Administrators
SeMachineAccountPrivilege
SeTakeOwnershipPrivilege
SeBackupPrivilege
SeRestorePrivilege
SeRemoteShutdownPrivilege
SePrintOperatorPrivilege
SeAddUsersPrivilege
SeDiskOperatorPrivilege
SeSecurityPrivilege
SeSystemtimePrivilege
SeShutdownPrivilege
SeDebugPrivilege
SeSystemEnvironmentPrivilege
SeSystemProfilePrivilege
SeProfileSingleProcessPrivilege
SeIncreaseBasePriorityPrivilege
SeLoadDriverPrivilege
SeCreatePagefilePrivilege
SeIncreaseQuotaPrivilege
SeChangeNotifyPrivilege
SeUndockPrivilege
SeManageVolumePrivilege
SeImpersonatePrivilege
SeCreateGlobalPrivilege
SeEnableDelegationPrivilege

Everyone
No privileges assigned

root at aphrodite:/# getent passwd administrator
administrator:*:1904600500:1904600513:Administrator:/home/
AD.DOMAIN.COM.AU/administrator:

root at aphrodite:/# getent group "Domain Admins"
domain admins:*:1904600512:administrator

root at aphrodite:/# net rpc rights grant 'DOMAIN\Domain Admins'
SeDiskOperatorPrivilege -U'DOMAIN\administrator'
Enter DOMAIN\administrator's password:
Failed to grant privileges for DOMAIN\Domain Admins
(NT_STATUS_ACCESS_DENIED)
root at aphrodite:/#