--- loncom/html/adm/help/tex/ForceIDChange.tex 2014/02/16 15:39:10 1.1 +++ loncom/html/adm/help/tex/ForceIDChange.tex 2014/02/19 18:05:36 1.2 @@ -2,24 +2,27 @@ Although the username is the principal unique identifier for a user in LON-CAPA, the student/employee ID is a secondary identifier, which needs to be defined (and unique) for certain applications. -The default is not to allow the student/employee ID for an existing user to be changed when +The default is not to allow the student/employee ID for an existing user to be changed when modifying a user's information in course, author or domain context. This default can be overridden by checking the ``Force change of existing ID'' checkbox. If that is -done the old ID will be replaced with the new ID. (Note: the new ID can not be blank; i.e., once an ID +done the old ID will be replaced with the new ID. (Note: the new ID can not be blank; i.e., once an ID has been set for a user, it can be changed to a different ID, but not set to be null). -A side effect of updating a student/employee ID is that the database file used for the quick -look-up of uername for a specified student/employee ID will be updated. This can potentially impact +A side effect of updating a student/employee ID is that the database file used for the quick +look-up of username for a specified student/employee ID will be updated. This can potentially impact bubblesheet grading, if there is a possibility that student/employee IDs are not unique. However, there is no requirement to set a student/employee ID for a user, and you will not encounter issues doing that unless you attempt bubblesheet grading or uploading scores from a csv file -containing IDs and points as column data. If either of those actions are likely to occur in courses +containing IDs and points as column data. If either of those actions are likely to occur in courses in your domain you should attempt to ensure that student/employee IDs are unique. Your domain may have been configured to automatically update student/employee IDs from an institutional -data source, and similarly, IDs may be retrieved (and set) automatically when creating a new user, if the +data source. Similarly, IDs may be retrieved (and set) automatically when creating a new user, if the username is for an institutional user, and your domain has been configured to support that. -Individual courses contain their own database files of class rosters, which include a copy of each student's ID. If a student/employee ID is changed by a Domain Coordinator, there is an option to propagate that change to the individual classlist database files for courses in which the student has a role that is currently active, or one that will become active in the future. +Individual courses contain their own database files of class rosters, which include a copy of each +student's ID. If a student/employee ID is changed by a Domain Coordinator, there is an option to +propagate that change to the individual classlist database files for courses in which the student has +a role that is currently active, or one that will become active in the future.