NEMSIS Maintenance Schedule

NEMSIS Production System 2023 Maintenance / Downtime Schedule

The NEMSIS TAC has implemented a production system downtime schedule for routine maintenance on the 3rd Tuesday and Wednesday of each month. Users may experience delays and service unavailability during the downtime window. More information on scheduled maintenance will be shared in the NEMSIS Google Group prior to each maintenance window. The window runs from Tuesday at 9:00 am through Thursday at 9:00 am Mountain Time.

Q1 2023

January 17-18

February 21-22

March 21-22

Q2 2023

April 17-18

May 16-17

June 21-22

Q3 2023

July 18-19

August 15-16

September 17-18

Q4 2023

October 17-18

November 21-22

December 19-20

All maintenance-related questions and concerns can be sent to