Drive Mappings and printers disconnect from the workstation(s) after they are applied at user logon.
In the Desktop Authority console navigate to Client Configuration | User. Select the proper profile and the "General" element. Click on the Validation Logic tab and uncheck the "Refresh" option in the validation logic “Timing" selection. If the "Refresh" option needs to be enabled in the "General" element, verify that the "Refresh" option is also checked for the "Drive Mappings" and "Printers" elements.
Once the appropriate changes have been made Save changes, and then Replicate.
