The Microsoft DynamicsTM CRM 4.0 Performance Toolkit was created by the Microsoft CRM product team to formalize testing of Microsoft CRM 4.0. 

Some of the features of this toolkit are:

- Multi Organization Performance Testing Support

- Multi Server Deployment Performance Testing Support

- Outlook Synchronization and Offline Performance Testing Support

- Data Management Performance Testing Support

- Workflow Performance Analysis Support

- Email Matching Performance Testing Support

- Ease of deployment of the Toolkit through an MSI package with enhanced configuration of the toolkit.

The Performance Toolkit is distributed in source format under the Open source licensing as provided by codeplex license agreement. Knowledge of Microsoft Visual Studio® and Microsoft Visual C#® is required to use the toolkit.

See the instructions document at the link below for detailed information.

Link