Frequently asked question
When ArcEngine and ArcReader are installed in Single User runtime mode, they can be executed only by the user that installed those products.
Multiple User mode requires Mainwin System Core (MSC) service installed as the superuser (root) user and this service must be running prior to the commencement of ArcIMS ArcMap server, ArcReader, or ArcEngine installation.
Get help from ArcGIS experts
Download the Esri Support App