Mariano looks at an SSRS error where The deployment has exceeded the maximum request length allowed by the target server.
The Dynamics GP Blogster: SSRS: The deployment has exceeded the maximum request length allowed by the target server
Install, Upgrade & AdminReporting & BIMicrosoft & the GP Ecosystem
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.