Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To fix this problem, follow these steps.
Apply hotfix 955144. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
955144 Description of the Excel Services in SharePoint Server 2007 hotfix package: July 11, 2008
Set the WebServiceSessionCloningDisabled registry entry. To do this, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: