Microsoft KB Archive/177017

= Unable to Connect Using Null Modem Cable in NetMeeting =

Article ID: 177017

Article Last Modified on 10/20/2003

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APPLIES TO


 * Microsoft NetMeeting 2.1 Standard Edition
 * Microsoft NetMeeting 2.1 Standard Edition

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This article was previously published under Q177017



SYMPTOMS
When you attempt to place a call over a null modem cable in NetMeeting, you may be unable to connect and you may receive the following prompt:

The person you called is not able to accept Microsoft NetMeeting calls. Would you like to send this person a message?



CAUSE
This behavior can occur when the data bits value in the COM port settings in NetMeeting is set to 7 bits.



RESOLUTION
To resolve this issue, restore the Windows default values for the COM port settings. To do this, follow these steps:


 * 1) In NetMeeting, click Options on the Tools menu.
 * 2) Click the Protocols tab.
 * 3) Click Null Modem, and then click Properties.
 * 4) In the Port box, click the appropriate COM port, and then click Com Port Properties.
 * 5) Click Restore Defaults, and then click OK until all dialog boxes are closed.



STATUS
Microsoft is researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.



MORE INFORMATION
When you install NetMeeting, the data bits value defaults to 7 bits. The Windows COM port settings are not affected, but the data bits value in NetMeeting must be changed to 8 bits to successfully connect using a null modem cable. The data bits value defaults to 8 bits in Windows.

Additional query words: 2.10

Keywords: kbenv KB177017

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