Aims: From the components of virtual education are content (entries), teacher, student and virtual systems, and observance the role of each one is very important in the success of e-learning. The aim of this study was to evaluate the effect level of the four components of content, teacher, student and virtual system on the success of e-learning from the students’ points of view.

  Methods: This cross-sectional study was conducted over 60 students of the virtual graduate stage of the field of medical education of Tehran Medical University (Hemmat college), using census method in 2012. Main tools for data collecting were two researcher-made questionnaires (demographic questionnaire and data collection questionnaire), that were used after formal and content validity confirmation and, also, after reliability confirmation. Data were analyzed, using SPSS 16 software and descriptive and inferential statistics methods (One-sample T and Friedman tests).

  Results: From the view points of the students who were under study, the effect of the components of content- with the average of 3.41±0.19- and teacher- with the average of 3.57±0.31- on the success of e-learning was very high, and the effect of the components of student- with the average of 2.44±0.28- and virtual systems- with the average of 2.91±0.36- on the success of e-learning was high. Ranks of mean scores for the components of teacher, content, virtual systems and student were 3.52, 3.33, 2.05 and 1.1 respectively (p<0.001).

  Conclusion: According to the students’ view points, the effect level of the two components of content and teacher on the success of e-learning is very high and the effect level of the two components of student and virtual systems is high. The components of teacher, content, virtual systems and student have the highest to the lowest rank of effect on learning respectively.