Whereas knowledge management systems (KMS) continues to gain popularity as a corporate most advanced information systems, the acceptance of standardized KMS assessment approaches has logged. Developing metrics to assess a corporate KMS is inherently problematic due to the intangible nature of knowledge-based resources, and for the fact that measurement is a precursor to improvement. This is true for knowledge management capabilities of an organization. Nonetheless, assessment is of vital importance for valuation purposes as well as to help managers determine whether particular KMS are effective working. The main focus of this paper is to explain the value of knowledge management and provide a general overview of measurement approaches. Finally, developing an improved measurement system for corporate KMS is considered the key to the competitive success of the organization.