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Avoid special characters in field information like quotes or other commas. Test a file with only one record before a large upload. Remember, there are other ways to authenticate users on you your site or enroll users in a course.
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In the above example, type refers to the role to be used for associated course enrolment. Value 1 is default course role, 2 is legacy Teacher role and 3 is legacy Non-editing Teacher. You can use role field instead to specify roles directly. Use either the role short name or id (numeric names of roles are not supported).
Users may may also be also assigned to groups in courses (group1 in course1, group2 in course2, etc.). A group is identified by name or id (numeric group names are not supported)
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