Locate the <httpRuntime> key within the <system.web> element of the <location path=fMSCRMServicesh> element, and change it to the following:
<httpRuntime maxRequestLength=h10240/>
Save and close the web.config. Open the CRM web application (http://crm).
GOTO Settings | Administration | System Settings. Choose the E-mail tab. Change the maximum file size (in kilobytes) field to 10240. Click Ok to save the changes. Run IISReset at the Command prompt.
Curt Spanburgh Microsoft Certified Business Solution Specialist. Dynamics CRM MVP Contributing Editor, Windows IT Pro
He that is walking with wise persons will become wise, but he that is having dealings with the stupid ones will fare badly. Proverbs 13:20