The aim of this research is to determine the factors that may affect user awareness when using KM Portal. It analyses KMS using factor analysis to determine the factors influencing user awareness of KM Portal. Research is done through questionnaire on 275 respondents to collect data on KM Portal. The study showed that three factors influenced user awareness for KM Portal, 1) quality of KM Portal content and features; 2) admin and company participation; 3) user participation. All factors produced a model that can be used for the calculation of user awareness of KM Portal. It also showed that in terms of data processing, the current state of KM Portal is barely sufficient. Thereby suggesting that the company can increase user awareness of KM Portal by improving the three factors mentioned.