Created Unassigned: "dir BizTalk:\ -Recurse" works only nonrecursively. [8015]

Moin Moin.

Entering.:
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dir BizTalk:\ -Recurse|ft -AutoSize
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yields.:
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Name
----
All Artifacts
Applications
Parties
Platform Settings
Health and Activity
Rule Engine
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without any subdirectory-info.
Does anyone have a workaround for this.

Tschuess,
Michael.