Microsoft KB Archive/169138

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Network Connections Are Deferred

Article ID: 169138

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft LAN Manager 2.2 Standard Edition
  • Microsoft Windows for Workgroups 3.11
  • Microsoft Windows 95

This article was previously published under Q169138


By default, persistent drive connections are deferred in Windows NT 4.0. These deferred connections are sometimes referred to as ghosted. If you type net use from the command prompt, the drive status shows disconnected. Setting focus to the drive changes the drive mapping status to OK and initiates a connection with the server. However, you will experience the following error when using Windows NT Explorer to access a deferred mapping to a share-level server or user-level server that requires a password other than that of the currently logged on user:

D:\ is not accessible.

Logon failure: unknown username or password.


The DeferFlags registry entry is not set to 1.

This registry value should be added when making a persistent drive mapping to a server that requires specifying a password before connecting:

HKEY_CURRENT_USER\Network\D   (where D represents the drive mapping)

Valuename:  DeferFlags
Datatype:   REG_DWORD
Value:      1

For additional information on ghosted connections, please see the following article in the Microsoft Knowledge Base:

127018 How to Enable Ghosted Connections in Windows NT


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


Additional query words: ghost defer restore quick share

Keywords: kbdomain KB169138