Microsoft KB Archive/167712

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Fatal Exception Error in VREDIR with DCOM Program

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Q167712

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The information in this article applies to:


 * Microsoft Windows 95
 * Microsoft Windows 95 OEM Service Release, version 1.0

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SYMPTOMS
When you are running a DCOM (Distributed Component Object Model) client program in Windows 95 in a mixed Novell NetWare and Microsoft Windows NT networking environment, a blue screen with the following error message may occur when you are connecting to a DCOM server program running on a Windows NT server or workstation:

Fatal exception 0E at 0028: in VXD VREDIR (04) + 00005A8D. The current application will be terminated.

It is usually possible to continue running Windows normally after this error, but the DCOM program quits.

CAUSE
This error message has been reported to occur when the following conditions exist:


 * The Windows 95 computer is or has been running both the Microsoft Client for NetWare Networks and the Client for Microsoft Networks.
 * The Windows NT computer is running Novell's NetWare Client32 for Windows NT.
 * The Windows 95 computer has a drive letter mapped to a share on the Windows NT computer, then runs a DCOM client program that connects to a DCOM server program running on the same Windows NT computer.

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

  VREDIR.VXD  version 4.00.963  dated 4/2/97  140,403 bytes

STATUS
Microsoft has confirmed this to be a problem in Microsoft Windows 95. 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.

MORE INFORMATION
This symptom has not been observed with Windows 95 OEM Service Release 2 or 2.1.

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

Q161100 File May Be Truncated When Copied to a Full Network Drive

Q160807 Cannot Connect to Windows NT Server with Many Shares

Q152186 Possible Network Data Corruption If Locking Not Used

Q150215 Disabling Automatic Network Shortcut Resolution

Q148367 Possible Network File Damage with Redirector Caching

Q142803 Locking Error or Computer Hangs Accessing Network Database Files

Q140558 Deleting Files on Samba Servers May Delete Local Files Instead

Q138014 File May Be Truncated to Zero Bytes When Copied Onto Itself

Q136834 Error Copying Read-Only Files to Core SMB Server

Q157114 "Access Denied" Attempting to Run File on LM/X Server

Q156497 Duplicate Print Output on PC-LAN Server from Windows 95 Client

Q138249 Updated Vredir.vxd Corrects Errors Running Files on LMX

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

"Q161020 Implementing Windows 95 Updates" Keywords : kbnetwork kbole osr1 win95

Issue type : kbprb

Technology : kbWin95search kbOPKSearch kbWin95