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Q164257: Inactivity Timeout not Passed Through to TAPI Service Provider

Article: Q164257
Product(s): Microsoft Windows NT
Version(s): WinNT:4.0
Operating System(s): 
Keyword(s): kbnetwork
Last Modified: 09-AUG-2001

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The information in this article applies to:

- Microsoft Windows NT Workstation version 4.0 
- Microsoft Windows NT Server version 4.0 
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IMPORTANT: This article contains information about editing the registry.
Before you edit the registry, make sure you understand how to restore it if
a problem occurs. For information about how to do this, view the "Restoring
the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key"
Help topic in Regedt32.exe.

SYMPTOMS
========

Setting "Disconnect a call if idle for more than xxx mins" on the on the
Connection tab of the Modem Control Panel tool has no effect on idle timeout
disconnect.

CAUSE
=====

The registry appears to be properly updated, but the modem initialization string
does not contain the proper timeout value.

WORKAROUND
==========

WARNING: Using Registry Editor incorrectly can cause serious problems that may
require you to reinstall your operating system. Microsoft cannot guarantee that
problems resulting from the incorrect use of Registry Editor can be solved. Use
Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And
Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete
Information in the Registry" and "Edit Registry Data" Help topics in
Regedt32.exe. Note that you should back up the registry before you edit it.

1. Start Registry Editor (Regedt32.exe).

2. Set the following entry to the desired value:

  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class
  \{4D36E96D-E325-11CE-BFC1-08002BE10318}\0000\Settings\InactivityTimeout

  Where {4D36E96D-E325-11CE-BFC1-08002BE10318} is the general entry for modems
  and 0000 the number that specifies the modem you want to change the value
  for.

3. Quit Registry Editor and restart your computer.

STATUS
======

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

Additional query words: remote access ras
======================================================================
Keywords          : kbnetwork 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400
Version           : WinNT:4.0
Issue type        : kbbug

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