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- DOCUMENT:Q108737 07-JAN-1994 [W_NT]
- TITLE :Err Msg: Cannot Allocate a ROUTE for User Connected on COM...
- PRODUCT :Windows NT
- PROD/VER:3.10
- OPER/SYS:WINDOWS
- KEYWORDS:
-
- --------------------------------------------------------------------------
- The information in this article applies to:
-
- - Microsoft Windows NT operating system version 3.1
- - Microsoft Windows NT Advanced Server version 3.1
- --------------------------------------------------------------------------
-
- SYMPTOMS
- ========
-
- When a Remote Access client calls a Windows NT Remote Access Server (RAS),
- the following error message appears:
-
- The remote access server cannot allocate a ROUTE for user connected on
- COM port [port #].
-
- CAUSE
- =====
-
- This error message appears in the error log if the Windows NT (or Windows
- NT Advanced Server) Remote Access Server is configured with TCP/IP but NBF
- has not been installed to prevent NetBEUI frames from getting onto the
- local area network (LAN). However, Remote Access Service for Windows NT
- requires that the NBF (NetBEUI) protocol is installed.
-
- RESOLUTION
- ==========
-
- If you do not want to put any NBF NetBEUI frames on the remote LAN at all
- and only allow TCP/IP frames to get onto the wire, but still use NBF for
- RAS, then you can unbind NBF from the network card. This allows RAS users
- to still call in through RAS because the dataflow direction here is from
- the RAS NDIS driver to NBF. Unbinding RAS from the network card only
- prevents the flow of data from NBF down to the NDIS driver for the network
- card.
-
- To unbind the Remote Access Service from the network card on the Remote
- Access Server, do the following:
-
- 1. In the Control Panel window, choose the Network icon.
-
- 2. Select Bindings.
-
- 3. In the Show Bindings For field, select Remote Access Server Service.
-
- NOTE: In the listbox below the all lines involving the "Remote Access
- Server Service" will appear.
-
- 4. Select the line:
-
- Remote Access Server Service -> Netbeui -> [Name of adapter] Adapter
- Driver -> [Name of adapter] Adapter
-
- 5. Choose the Disable button at the bottom of the dialog box and choose the
- OK button.
-
- 6. In the Network Settings dialog box, choose OK.
-
- 7. In the "You must shutdown and restart your computer so that the change
- you made will take effect" dialog box, choose the Now box or the Later
- box.
-
- For more information on hiding protocols and disabling bindings, see the
- Windows NT 3.1 Remote Access RASREAD.TXT file in the SYSTEM32\RAS directory
- and the Microsoft Windows NT Advanced Server "System Guide."
-
- Additional reference words: 3.10
- KBCategory:
- KBSubCategory: ntrmt
-
-
- =============================================================================
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-
- Copyright Microsoft Corporation 1994.