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Microsoft KB Archive/101218

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Knowledge Base

Network DDE Fails if UB NDIS Adapter Unplugged

Article ID: 101218

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1

This article was previously published under Q101218


Network DDE is dysfunctional. After Windows NT starts two events are logged:

211: NetBIOS Adapter Status Query failed on LANA x
13: NetBIOS DLL failed to load

NOTE: x is the LANA number of the Ungermann-Bass adapter.

You can test this by running Chat or Clipbook Viewer. Both applications use Network DDE and fail in this situation.


Network dynamic data exchange (DDE) fails if you have a Network Device Interface Specification (NDIS) compatible Ungermann-Bass (UB) network adapter installed but not connected (plugged into) the network. Network DDE operates on all installed local area network adapters (LANAs) provided they successfully start. If any LANA fails (RESET command fails) Network DDE does not load.


While the UB adapter is not in use, disable the UB NDIS driver in the Networks dialog box of Control Panel.

Additional query words: prodnt

Keywords: kbnetwork KB101218