The Maintenance Group is EDIT access to the ancillary tables, ability to INSERT and SAVE records. The Access Group is READ access to the ancillary tables. Instead of using the default group EVERYONE, create a Security Group for managing Read and Write to those tables. I don't think in the long term you will want Everyone to be able to Edit.
1) Create the Groups in the Security Framework
2) Assign those Groups in the XFAppConfig file
3) Assign users to the Read and Write groups respectfully
That is your long term solution so you don't need to revisit or rebuild security later down the road.
Best regards,
Mike G
