Opcenter Connect MOM Unable to connect IOT2050 device - Opcenter Connect Electronics.

If you are unable to connect IoT 2050 box and have similar error, as on screen below - please make sure that folder where authorization key's, are stored is enabled, for READ\WRITE. In this example, it is TEM folder.

Please remove all existing permissions to “C:\Temp” directory (on OC CN EL Gateway VM).

Next you can add CREATOR/OWNER, SYSTEM, Administrators and one user permissions (very limited):