Modernized ACE Portal Production Environment Maintenance Planned for November 1

CSMS # 53826754 - Modernized ACE Portal Production Environment Maintenance Planned for November 1 U.S. Customs and Border Protection sent this bulletin at 10/31/2022 01:41 PM EDT CSMS # 53826754 - Modernized ACE Portal Production Environment Maintenance Planned for November 1 U.S. Customs and Border Protection (CBP) has scheduled a modernized ACE Portal Production maintenance window on 11/01/2022 from 5:00 a.m. to 7:00 a.m. EST. Users may be unable to access the modernized ACE Portal during this time. If users are unable to access the ACE Portal following the maintenance window, please close your browser, clear your cache, and try again.