Problem extending object class in AD LDS

I'm trying to add the Organization classSchema as an objectClass to the top level domainDNS classSchema (which is dc=domain,dc=local.) in an AD LDS instance.
Default objectClass on top level domainDNS are domain, domainDNS and top. I want to add organization.

On the Organization classSchema, possSuperiors is set to domainDNS, also tried domain and container.

Getting the following error:
Operation failed. Error code: 0x20b4
The specified class is not a subclass.

000020B4: UpdErr: DSID-030F1563, problem 6002 (OBJ_CLASS_VIOLATION), data 0

Same error using ldifde import and ldp.
Even though the error message is clear, organization is a subclass.

Tips appreciated.
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AmitIT ArchitectCommented:

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bitpiAuthor Commented:
Thank you for the tip. This is actually a nice "workaround". Adding the needed attributes from the organization objectClass directly to the domainDNS objectclass solves what I want to achieve.

Solution is adding needed attributes to the mayContain attribute in the classes where you need them.

Also, what I wanted to achieve might not be possible according to this: A structural class can include any number of auxiliary classes in its definition.. The organization class is a structural class..

Thank you :)
AmitIT ArchitectCommented:
Great :)
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