Microsoft Dynamics CRM 4.0 Adapter for Microsoft Dynamics GP 10.0 Partner Resource Kit

You can download the kit from below links:

For Partners: https://mbs.microsoft.com/partnersource/partneressentials/partnerreadiness/resourcing/MDCRMGPAdapter.htm

For Existing Customers: https://mbs.microsoft.com/customersource/worldwide/us/productinformation/factsheets/MDCRMGPAdapter