NEMSIS Maintenance Schedule

NEMSIS Production System 2021 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 2021

January 19-20

February 16-17

March 16-17

Q2 2021

April 20-21

May 18-19

June 15-16

Q3 2021

July 20-21

August 17-18

September 21-22

Q4 2021

October 19-20

November 16-17

December 21-22

All maintenance related questions and concerns can be sent to