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Microsoft KB Archive/175092

From BetaArchive Wiki

0E Exception in VNETBIOS if NetBIOS Commands Are Issued Quickly


The information in this article applies to:

  • Microsoft Windows 95


When you run a program in Windows 95 that uses the NetBIOS Application Programming Interface (API) and issues multiple NetBIOS commands in a very short time, you may receive the following error message:

A fatal exception 0E has occurred at 0028:<xxxxxxxx> in VxD VNETBIOS(01) + 5EB.


This problem can occur if three or more asynchronous network control blocks (NCBs), or NCBs from different threads or processes, are started for the AddName function before the first NCB completes.


This issue is resolved by the following updated file for Windows 95 and OSR2, and later versions of this file:

   VNETBIOS.VXD  version 4.00.952  dated 4/8/97  27,245 bytes 


Microsoft has confirmed this to be a problem in Microsoft Windows 95 and OEM Service Release 2 (OSR2). An update to address this problem is now available, but is not fully regression tested and should be applied only to computers experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft does not recommend implementing this update at this time. Contact Microsoft Technical Support for additional information about the availability of this update.

This issue is resolved in Microsoft Windows 98.


For additional information about issues resolved by updates to this component, please see the following articles in the Microsoft Knowledge Base:

Q169540 Error Message: Too Many Outstanding Commands

For additional information about Windows 95 updates, please see the following article in the Microsoft Knowledge Base:

Q161020 Implementing Windows 95 Updates

Keywords : kberrmsg kbnetwork win95
Issue type :
Technology : kbWin95search kbWin95

Last Reviewed: December 15, 2000
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