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TBSIMP_E_DUPLICATE_VHANDLE
A virtual TPM handle collides with an existing mapping
TBSIMP_E_DUPLICATE_VHANDLE (0x80290206) means the implementation found a duplicate virtual-handle identity in its resource map. The underlying TPM object may be valid; software virtualization bookkeeping is inconsistent.
Evidence to capture
Record the duplicate vhandle, owning TBS context, physical handle/resource, allocation sequence, and whether a previous mapping should have been removed.
Focused correction
Correct the virtual-handle allocator/lifetime path and remove stale mappings through supported cleanup. Do not alias two live resources to the same virtual handle.
Technical references
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