DF27   Invalid NGWCHECK.DB database migration level

Source:  GroupWise engine; mailbox/library maintenance.

Explanation:  The GWCheck database (ngwcheck.db) contains invalid information.

Action:  Delete the GWCheck database, then rerun GWCheck or Mailbox/Library Maintenance.

Action:  Record the conditions under which you encountered the error. For the latest error code solutions, search for TIDs about the error code in the Novell Support Knowledgebase .