The Event Management System (EMS) software will be undergoing routine maintenance from 8:00 p.m. – 4:00 a.m. on Wednesday, February 28. As a result, access to EMS may not be available during this window. We appreciate your patience.

If you continue to experience service interruptions outside this maintenance window, please submit a ticket at, call 515-271-3001, or visit the lower level of Carnegie Hall to report your issue.