KB273106: "No available tables were found in the warehouse catalog." appears when trying to open Warehouse Catalog with DSN pointing to a CSV file saved in a network drive with MicroStrategy 9.4.1

SYMPTOM:
In Strategy 9.4.1 windows 7 or 2008 R2 Server environment, when an Excel CSV/Text file is placed on a network drive, the file cannot be accessed by Warehouse Catalog to be used as a data source. 
 
STEPS TO REPRODUCE:

• Place an Excel CSV file in a mapped network drive
  

• Create a DBI with connection type "Generic DBMS" that points to this file on the D drive
• Open Strategy 9.4.1 Tutorial project and open Warehouse Catalog and change to the DBI created in the above step
• No tables are available error is observed
  

CAUSE:
This is a known issue in Strategy Developer 9.4.1.
 
ACTION:
This issue is addressed in Strategy Developer 9.5.1 and later releases. Upgrade to that version to take advantage of this fix.