Microsoft KB Archive/159789

= Windows NT 4.0 OLE Automation Data Marshalling Error =

Article ID: 159789

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q159789



SYMPTOMS
When running a Visual Basic program that uses OLE Automation, the following error may occur:

Error number 0x8001011D: OLE Automation Error. The marshaled interface data packet (OBJREF) has an invalid or unknown format.



CAUSE
Changes made to OLE and to RPC for Windows NT version 4.0 introduced problems with marshalling data. The problem is more prevalent on very fast computers.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbbug kbfix kbnetwork KB159789

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