This research aims to identify the key factors of users' migration from foreign messengers to domestic messengers. The conceptual framework of this research is the PPM migration model. This research is qualitative, and its method is content analysis. The data collection tool of this research is semi-structured interview and data processing is King's triple coding (1998). The statistical population is academic elites and experts and managers of internal messengers. Among these people, 25 people were interviewed in a targeted way. In total, the obtained themes were compiled in the form of three overarching themes of persuasive, encouraging, and interfering factors. The findings show that the persuasive factors include building trust on the part of the internal messenger for the user, the positive effect of the network effect in persuading users, creating specialized internal messengers according to the user's needs, forming a decentralized network among internal messengers for use It is from the capacity of all of them. Also, the intervening factors include the predominance of the proprietary view of modern and popular media in Koch policies, non-integrated infrastructures needed by Koch, incomplete and bad implementation of policies, the unclear state of the organization and the "business" model. And work" is internal messengers. Factors that prevent migration include the dominance of a hardware perspective and lack of attention to cultural and social attachments in migration policies, passive and reactive policymaking towards new technologies and media, the multitude of policy makers and inconsistency among them, Legal issues in the field of messengers, user privacy violations were identified in internal messengers. The results indicate that Iranian policy makers should fix the interfering factors in the direction of the development of domestic messengers by removing the inhibiting factors and strengthening the encouraging factors.