DOCUMENT:Q178272 10-AUG-2001 [winnt] TITLE :RRAS Event ID 20103 When Using Microsoft Proxy Server 1.0 PRODUCT :Microsoft Windows NT PROD/VER:WinNT:4.0 OPER/SYS: KEYWORDS:kberrmsg kbinterop kbnetwork ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 - Microsoft Proxy Server version 1.0 - Microsoft Routing and Remote Access Service Update for Windows NT Server version 4.0 ------------------------------------------------------------------------------- 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 : kberrmsg kbinterop kbnetwork Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbAudDeveloper kbProxyServ100 kbProxyServSearch kbRRASNTSearch kbRRASNT400 Version : WinNT:4.0 Issue type : kbbug ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.