--- loncom/html/adm/help/tex/Course_Automated_Enrollment.tex	2014/02/25 20:31:51	1.11
+++ loncom/html/adm/help/tex/Course_Automated_Enrollment.tex	2016/07/24 14:35:45	1.12
@@ -36,6 +36,15 @@ changed from 'manual' to 'auto', if a ma
 appears in the institutional roster when auto-enrollment is run. This
 automatic migration can be prevented for individual students by locking
 the status type.
+\item Zero enrollment failsafe: When enrollment comes from more than one institutional
+course section (including cross-listing), there is a possibility that
+institutional data retrieval might succeed for some, but not all sections.
+In order to avoid expiring student roles in sections for which institutional
+enrollment data could not be retrieved, a failsafe value can be set.  When the
+existing enrollment in a LON-CAPA course section exceeds that failsafe value (an integer),
+dropping of existing students in the affected section(s)) by automated enrollment
+update is disabled. A failsafe value set in a course will override a default value 
+set for the domain.
 \end{itemize}