XRE-00021 is caused by a temporary channel tuning issue.
"We’re having some trouble on our end. This channel isn’t currently available. Please try tuning away from this channel for a few seconds and then tune back to it. If that doesn’t work, please try again in a few minutes. XRE-00021."
Common solutions
Did you know there’s a simple way to resolve most issues?
The Xfinity Assistant can guide you through troubleshooting steps, schedule an appointment, or connect you with an agent if needed. Visit Xfinity Assistant or scan the QR code with your smartphone to get started.
You can also try the following:
- Ensure all TV connections are tight.
- Select Try Again on-screen.
- Press the channel up or down button to change to another channel, then change back. If this doesn't work, follow step four.
- Perform a restart of the X1 TV Box or unplug your TV Box for one to two minutes and then plug it back in.
- Simply say "Restart TV Box"into your Xfinity Voice Remote.
Most of the time, this error fixes itself in about one hour. Sometimes, it might take longer. You can watch live or On Demand videos using the Xfinity Stream app on your phone, smart TV, or computer.
Additional information
Visit our Online Support Center to find common solutions.
The easiest way to activate, manage, and troubleshoot your Xfinity experience is with the Xfinity app! Get 24/7 real-time support, pay your bill, view plan details, get outage updates, and more. Download the free Xfinity app, or scan the QR code with your smartphone.
Need additional support? Ask Xfinity Assistant.