Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry
When you try to access the streaming audio broadcast of a meeting in Microsoft Office Live Meeting 2005, you receive one of the following error messages:
Error message 1
The audio codec identified by the format tag 111 is required to play this file.
Error message 2
An audio codec is needed to play this file.
This problem occurs if one or more registry entries for the Vivog723.acm codec are missing.
To resolve this problem, use one of the following methods:
Method 1: Install the Vivog723.inf file
Download the Vivog723.inf file to the %systemdrive%\Program Files\Microsoft Office\Live Meeting 7\Console\folder_version_number folder on the computer. To obtain the Vivog723.inf file, visit the following Microsoft Web site:
Note The folder_version_number placeholder specifies the highest numbered folder. The %systemdrive% environmental variable specifies the letter of the hard disk drive on which Microsoft Windows is installed. By default, this is hard disk drive C.
Right-click the Vivog723.inf file, and then click Install.
Rejoin the meeting to access the streaming audio broadcast.
If you cannot access the streaming audio broadcast after you rejoin the meeting, go to Method 2.
Method 2: Install the Vivog723.reg file
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
Download the Vivog723.reg file to the desktop on the computer. To obtain the Vivog723.reg file, visit the following Microsoft Web site:
Note The vivog723.acm registry entry has a value of VivoActive Audio Codec Version 2.0.0. If this vivog723.acm registry entry is missing, you receive error message 2 that is mentioned in the "Symptoms" section.
1069 IAB codec vivog723.inf voip Internet audio broadcasting