Microsoft KB Archive/253744

= PRB: Visual Basic Cannot Be Used to Create COM+ Pooled Components =

Article ID: 253744

Article Last Modified on 12/5/2007

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APPLIES TO


 * Microsoft COM+ 1.0
 * Microsoft COM+ 1.5
 * Microsoft Visual Basic 5.0 Enterprise Edition
 * Microsoft Visual Basic 6.0 Enterprise Edition

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This article was previously published under Q253744



SYMPTOMS
If you create a Visual Basic ActiveX DLL and install it in a COM+ application, you cannot configure components exposed by the ActiveX DLL as "poolable." The option is unavailable (grayed out) in COM+ Explorer.



CAUSE
Poolable objects must be either Neutral or Both and aggregatable. Visual Basic 6.0 (and Visual Basic 5.0) can produce only Apartment threaded objects that are not aggregatable.



STATUS
This behavior is by design.

Keywords: kbprb KB253744

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