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This error message indicates that the Microsoft Windows media encoder is not able to encode the amount of data that you are attempting to stream. This happens when you are broadcasting at very high, or multiple, bitrates, or your computer simply can't keep up with the incoming audio and video that the encoder is attempting to deal with.

Sometimes other processes running on your encoding computer can interfere with encoding. Try taking the following actions:

1. Make sure there is no real-time anti-virus scanning activity going on. While the encoder is encoding, it is using temporary file space on your drive. A real-time anti-virus scanner will see the files being created by the encoder, and try to scan them for viruses. This will consume a lot of CPU cycles and possibly cause encoding to fail.

2. Turn off the indexing service. The indexing service is constantly indexing new and changed files, to make file searching faster. The indexing process can consume CPU cycles as well, and possibly interfere with encoding. To disable the indexing service, locate the Services applet in the control panel or administrative tools area of your system, find the Indexing service, (or Windows Search in Vista), in the list, double click it and change the startup type to Disabled.

3. Prevent Windows from dynamically sizing the system page file. The page file is used as temporary memory as needed by Windows. By default, Windows is configured to manage the paging file dynamically, resizing it as needed. This creates significant disk IO which puts an unnecessary load on the CPU. To prevent Windows from managing the paging file, right click on "My Computer" or "Computer" on your desktop or in your start menu, and choose Properties. Click the Advanced tab (Windows XP) or "Advanced system settings" link (Vista). Click the Settings button in the "Performance" section. Click the "Advanced" tab, then the "Change" button in the "Virtual memory" section. There, set a custom size for your page file, and set the initial and maximum size to 1.5 times the amount of RAM in your system. For example, if you have a gigabyte of RAM, set the page file initial and maximum size to 1536 megabytes (1024 megabytes * 1.5).

These three changes should go a long way toward resolving this issue. If you continue to have this problem after taking these steps, you may simply be trying to encode to a bitrate that your system just won't handle, or to multiple bitrates. Try reducing the bitrate, or the number of multiple bitrates, and see if that helps.

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