Hi Jackie Are you going to release a more 'official' 3.1.1 build? We found that 3.1.0 on Windows 2016 server does not show ecw's, but version 3.1.1 does. It however has the word 'Test' in the service name... Philip Nell -- Sent from: http://osgeo-org.1560.x6.nabble.com/MapGuide-Users-f4182607.html