The 10th Circuit Court of Appeals will upgrade its CM/ECF system to the Next Generation of CM/ECF ("NextGen") in May 2017. The process will begin on Friday, May 12 at noon MDT and will be completed by Monday, May 15 at 7:00 a.m. MDT. CM/ECF will not be available during that time. Documentation will be posted on this page regarding the court's upgrade and what attorneys need to do to prepare for filing in NextGen.
The PACER NextGen FAQ may be found here: https://www.pacer.gov/nextgen/