Within CRM 2011 Update Rollup 4 a new diagnostics page is now available.
This tool will help you identify and compare the user experiences across your branch offices in regards to the CRM Server.
The tool is available upon the installation of the "CRM Server Update Rollup 4" via the below URL
After hitting the "Run" button, several tests are performed and an output log will display with all the relevant information.
Update Rollup 4 for Microsoft Dynamics CRM 2011 is available via http://support.microsoft.com/kb/2556167
Microsoft CRM 2011 Update Rollup overview
CRM 2011 Online latency tool
Greetings from the CRM team