Cannot RDP across one-way forest trust from child domain

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We have an AD identity forest with a one-way incoming transitive forest trust from a resource forest. Name suffix routing is enabled.

Users in the identity forest root domain can RDP to hosts joined to the resource forest


Users in the identity forest child domain cannot RDP to a host in the resource forest - they get an error message "The security database on the server does not have a computer account for this workstation trust relationship."

Of course, this is not a typical workstation trust issue but given the error, it's been difficult to find similar experiences.

Interestingly enough users in the identity forest child domain do have the ability to authenticate to a SQL box joined to the resource forest.

I've labbed this out and of course, it's working without issue :/

Thanks in advance

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