SYMPTOM:
When attempting to open the Strategy Diagnostics and Configuration 9.x and 10.x tool on Windows Server 2008 the following error appears:

Error getting Intelligence Server instances.
Unexpected error occurred. Access is denied
Clicking 'Ok' to clear the error message will continue to load the tool, but once opened, all options are disabled and no components are displayed.
CAUSE:
A possible cause for this issue is that the user signed onto the Windows Server 2008 machine time does not have the correct privileges required to either run the DLLs or make changes to the registry.
ACTION:
Ensure that the user signed into the Windows Server 2008 machine has administrative privileges or at least the same privileges as the service account used to start the Strategy Intelligence Server 9.x and 10.x.
WORKAROUND:
If the user account cannot be modified then try opening the Strategy Diagnostics and Configuration tool is by right clicking on it and selecting "Run as Administrator".