Microsoft KB Archive/178272

= RRAS Event ID 20103 When Using Microsoft Proxy Server Version 1.0 =

Article ID: 178272

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Proxy Server 1.0 Standard Edition
 * Microsoft Routing and Remote Access Service Update for Windows NT Server 4.0

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This article was previously published under Q178272



SYMPTOMS
Your Windows NT Routing and Remote Access Service (RRAS) server, which is also running Microsoft Proxy Server version 1.0, may log one or more of the following event log errors in Event Viewer:

  Event ID   : 7000 Source    : Service Control Manager Description: The IP Filter Driver service failed to start due to the following error: The system cannot find the file specified.

-or-

  Event ID   : 20103 Source    : Router Description: Unable to load c:\winnt\system32\iprtrmgr.dll

-or-

  Event ID   : 7024 Source    : Service Control Manager Description: The Routing and Remote Access Service service terminated with the service-specific error 110.

NOTE: This problem only happens after you have enabling filtering in RRAS Admin.



CAUSE
RRAS does not install the file Ipfltdrv.sys if it detects that Microsoft Proxy Server is already installed on the computer.



RESOLUTION
To workaround this issue, use one of the following methods:


 * Manually copy the file Ipfltdrv.sys from the RRAS directory into the %Systemroot%\System32\Drivers folder.

NOTE: The default folder for RRAS is C:\Routing, but it may vary depending on how you installed the update.

-or-
 * Upgrade to Microsoft Proxy Server version 2.0.

-or-
 * Uninstall RRAS and reinstall the update on a different server.



STATUS
Microsoft has confirmed this to be a problem in Routing and Remote Access Service for Windows NT Server version 4.0. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Keywords: kbbug kberrmsg kbinterop kbnetwork KB178272

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