KB11430: "Cannot save to path …" error message appears when saving email output to a local file in MicroStrategy Narrowcast Server 9.x

SYMPTOM:
Enabling the Email ITM to either "Save to File" or "Do Both" results in the following error messages in the DELogs and the emails not being saved to the designated folder.
 
After a service is activated, the following error is noted in the DELog file:
 
:4076:Cannot save to path "\\?\C:\SavedMail\Here is your report name-4587AD4F-C919-49E3-BDE7-F5BF95DE0355.eml". Last error was: 0
:2792:SendMail partially failed. (code: 85003). The message has been added to the queue, but it cannot be saved to disk.
CAUSE:
This issue occurs when the folder defined in the Email ITM "save to file" setting does not exist.
 
ACTION:
Determine the path being used by the email ITM by performing the following steps:
 

• Open the Narrowcast Administration Console.
• Expand Administration.
• Expand Information Transmitters.
• Right-click on email (SMTP):
  

• Select Edit.
• Select the Message Output tab:
  

• Note the path specified in the setting.
• Open Windows Explorer and navigate to the path specified in the E-Mail ITM and create a new folder with the name specified in the path.