This research paper aims to investigate the role of enterprise social network to address these concerns such as knowledge sharing and collaboration. The authors have considered a case study based research approach as it is the best method to answer the research question. The leading multinational Bus and truck manufacture Scania was considered for our case study. The study has been done by researching the impact of enterprise social network tools such as Yammer and Lync and their attempt to answer these challenges in the organization. The paper concludes with the analysis based on the empirical findings and theoretical frame of reference. Suggestions and recommendations for further research in this area have also been mentioned in the concluding part of the thesis.