Mariano look at a setting that eliminates the pesky “You must close all Microsoft Dynamics GP windows in order to run an integration” message in Integration Manager. Of course, if you have the wrong windows open your integration may not work but for experienced users that’s usually not a problem.
The Dynamics GP Blogster: IM – “You must close all Microsoft Dynamics GP windows in order to run an integration”
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.