Microsoft KB Archive/174142

= Microsoft Knowledge Base =

Event ID: 1011 Missing Library File Dfsinstr.dll
Last reviewed: September 29, 1997

Article ID: Q174142

The information in this article applies to:


 * Microsoft Windows NT Server version 4.0 Service Pack 3
 * Microsoft Directory File Services (DFS)

SYMPTOMS
Under Windows NT, System Logs generate the following event:

Event ID: 1011 Source: Perflib

The library file "dfsinstr.dll" specified for the "dfs" service could not be opened. Performance data for this service will not be available. Status code is data DWORD 0"

RESOLUTION
Upgrade to Directory File Service (DFS) version 4.1. This upgrade removes the registry entries that cause this message to show up in the event log.

MORE INFORMATION
To verify the version of your Windows NT Directory File Service (DFS) installation, start Windows NT Explorer, right-click the Dfsadmin.exe file, click Properties, and then click the Version tab. The file version displayed should be 4.10.

The original Directory File Service (DFS) Version 4.0 has a file version mask of 5.00.14xx.1.