MS4 Audit establishes environment values that are maintained throughout the Y2K Health Check. There are a number of preset records that should not be changed. The system values identified during this step are never cleared down or deleted.

After determining these system values, MS4 Audit begins its examination of Y2K after following specific routines, including:

• Identify Date Fields
  Identify all date fields on the application field reference files.  
  
  
• Review and confirm analysis
  (1) Examine all database and device file definitions to identify the potential date fields, (2)identify all date fields on the application field reference files, database, device files, (3) anlayse RPG source, (4) analyse database, (5) analyse device files for alpha fields, (6) review and confirm Audit Analysis.  
  
  
• Audit data gathering
  Gather info on data members, access paths, record selections, device objects, program objects, and program references.  
  
  
• Date field verification
  Check that for each field identified as a date, all the data in that field adheres to the date format specified.  
  
  
• Reporting
  Produce MS4 Audit reports.