On Thursday, April 27 between 8:00AM UTC and 10:00AM UTC (4:00AM ET and 6:00AM ET), we will be performing scheduled maintenance that will affect Xbox 360 titles and services.
Please note this maintenance will also impact Xbox 360 backward compatible titles on Xbox One.
All other Xbox One titles and services will not be affected. If you’re playing an Xbox 360 title during the maintenance, you may be disconnected from Xbox Live one or more times.
For the latest information during the maintenance, check the Xbox Live service status message at http://support.xbox.com/xbox-live-status. For support help, be sure to hit up @Xboxsupport on Twitter.