The FirstMap infrastructure, including ArcGIS Server and databases, will be upgraded to ArcGIS 10.4.1 on Friday, December 9 beginning at 5:00 pm. All FirstMap Private and Public services and databases will be inaccessible beginning at 5:00 pm until approximately 10:00 pm.
For more information e-mail the FirstMap support team at FirstMap@state.de.us.