SYMPTOM:
When configuring the Strategy Intelligence Server using the Strategy Configuration Wizard, after selecting the DSN to connect to the metadata database the following error is displayed:

Error occurs during server instance clean-up process before attempting to start the instance. : Unexpected error occured. Access is denied.
CAUSE:
A possible cause for this issue is that the account being used to run the Strategy Intelligence Server has not been granted the local security policy "Debug programs".
ACTION:
Contact the system administrator to add the account under which the Strategy Intelligence Server is running to the 'Debug Programs' local security policy.