<p>The aim of this study was to analyze the impact of knowledge management on success of customer relationship<br />management: mediating impacts of organizational factors (staffs, leadership, organizational structure) in capital<br />bank by descriptive-correlation method. Accordingly, to measure knowledge management, the Fang and Choai<br />(2009) questionnaire was applied, to evaluate organizational variables (staffs, leadership, organizational<br />structure), Greve & Albers (2006) questionnaire was used and to assess technology of customer relationship<br />management, Chang et al (2006) questionnaire was employed and regarding success of customer relationship<br />management, Bang (2005) and Chen and Chung (2004) questionnaires were used. The population of this study<br />included all staffs of capital bank in Tehran city that were 642 staffs which based on Cochran formula, 240 staffs<br />were selected by cluster sampling. To analyze data, Pearson correlation test and structural equation model were<br />employed by using SPSS and AMOS software. The obtained results of this study indicated that the knowledge<br />management affected significantly on organizational factors (staffs, leadership, organizational structure).<br />Furthermore, the technology of interaction management affected significantly on success of customer<br />relationship management and also technology of customer relationship management influenced significantly on<br />organizational factors (staffs, leadership, organizational structure). Organizational factors (staffs, leadership,<br />organizational structure) affected significantly on success of customer relationship management. The findings of<br />this study showed that the knowledge management did not affect significantly on success of customer<br />relationship management. Technology of customer relationship management by mediating variable of<br />organizational factors did not affect significantly on success of customer relationship management.</p>