Abstract
In order to solve various problems regarding IT infrastructure management, infrastructure design patterns have been developed that conceptualize and pattern the design of infrastructure. These contents have been widely used in internal projects and those of group companies that constantly achieve a certain goals. "Infrastructure Design Patterns" has been developed as a PM support tool by patterning past cases and experts' IT infrastructure know-how at NTT Data Corporation. Every employee of NTT Data group companies can get it from group portal site. We found that some didn't use them after the download. Therefore, we conducted interviews with users and experts, which revealed four problems. This paper will propose three hypotheses about the cause of and countermeasure to these problems in order to explain their details and verification results.
