To change the company, Site, or Plant while using MES, you will need to do this before you enter the EmployeeID, but after entering the UserID.


  1. Log on to the Epicor MES system
  2. Before you enter the Employee ID, right click the Epicor logo in the top left of the screen. 
  3. To change Company, choose the menu option 'Change Company', then choose the correct company
  4. To Change Plant/Site, choose the menu option 'Change Site', left click that menu option
  5. Once you click the Change Site menu option, you will get another window to choose the site from.  Click on the correct site within this menu, then click the OK button
  6. Now log in with your Employee ID