Article ID: 162694 - View products that this article applies to.
This article was previously published under Q162694
Interrogating modem commands sent from the RAS client or server can be useful troubleshooting tools for diagnosing communications problems.
In Windows NT 3.51, the method for capturing modem commands is to enable the Device.log file. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
102782However, in Windows NT 4.0 and Windows 2000, when you use UniModem, the Device.log no longer captures modem commands.
(http://support.microsoft.com/kb/102782/EN-US/ )Troubleshooting RAS Problems and Using the Device.log File
You can still use the Device.log in Windows NT 4.0 and Windows 2000 to troubleshoot problems with Switch.inf and script files.
Windows NT 4.0To troubleshoot modem commands in Windows 4.0, perform the following steps:
Windows 2000To troubleshoot modem commands in Windows 2000, perform the following steps:
Article ID: 162694 - Last Review: February 20, 2007 - Revision: 2.2
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