Mariano has more details behind the problem where Integration Manager for Microsoft Dynamics GP 2010 hangs when running an integration
The Dynamics GP Blogster: Integration Manager for Microsoft Dynamics GP 2010 hangs when running an integration – Fix is out!
Development & IntegrationGP 2010
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.