Message
This document provides instructions for solving the Xfinity Stream portal (xfinity.com/stream) 900 | 102100 error.
Solution code
You may be connected to a third party DNS server, which may cause the Xfinity Stream portal to work incorrectly.
To resolve this issue, please ensure that your internet settings are configured to automatically connect to our DNS servers.
If you continue to experience issues, please contact us using the method that is most convenient for you - chat with us online or call us to speak with a Comcast representative.