KB11480: “The underlying connection was closed: An unexpected error occurred on a receive" error message appears when running large reports in MicroStrategy Office

SYMPTOM:
When running large reports in Strategy Office, the report errors out before completion and the following error message appears after a specific period of time:
 
The underlying connection was closed: An unexpected error occurred on a receive.
The MWSTracelog.txt contains an error similar to the following:
 
0x8004403B: java.rmi.RemoteException: getReportResults exception.; nested exception is:
com.Strategy.webservices.MWSException: <MWSErrorInfo><MWSErrorCode>0</MWSErrorCode><MWSErrorString>MWSExecution:GetReportResult failed[com.Strategy.web.objects.WebObjectsException: java.lang.IndexOutOfBoundsException: Index: 4, Size: 4
CAUSE:
This issue occurs because a connection between the client and server was broken before receiving the complete response.
 
ACTION:
Change the connection timeout setting to resolve this issue. To do this, perform the following steps:
 

1. Open the Internet Information Services Manager.
2. Open the properties dialog box for the web site (Default Web Site).
3. Click the Web Site tab and set the Connection Timeout value to at least 900 seconds.
4. Click OK to close the properties and save the new setting.