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  Other Potential Issues
  If you are accessing videos at an office their are known issues involving firewalls and proxy servers that will not allow video through internal networks.

For information on Real Player and network/firewall issues please click here.
For information on Windows Media Player and network/firewall issues please click here.

There are a number of factors that can cause problems with viewing video files over the Internet.
The videos provided at this site have been created with most of these issues in mind.