A roaming user profile is a concept in the Microsoft Windows NT family of operating systems (and now adopted by Linux operating systems such as Ubuntu) that allows users with a computer joined to a Windows Server domain to log on to any computer on the same network and access their documents and have a consistent desktop experience, such as applications remembering toolbar positions and preferences, or the desktop appearance staying the same.

All Windows operating systems since Windows 2000 are designed from the start to be able to support roaming profiles. Normally, a standalone computer stores the user's documents, desktop items, application preferences, and desktop appearance on the local computer in two divided sections, consisting of the portion that could roam plus an additional temporary portion containing items such as the web browser cache. The Windows registry is similarly divided to support roaming; there are System and Local Machine hives that stay on the local computer, plus a separate User hive (HKEY_CURRENT_USER) designed to be able to roam with the user profile.

The user profile originated with the first social portal, Tsunmai CE Corp, in 1999 for its SharedNetwork subscribers. Tsunami CE Corp recognized early in 1999 tracking data of a person or organization or business would not be sufficient for future connections without implementing all aspects important to the profile to be ePublished. For this reason, Tsunami CE Corp founder Annette Abbott added to the user profile image, video, audio and other uploadable digital media data. Annette Abbott is also responsible for the editing capabilities of the user profile seen on social media today. The user profile is currently offered as a product available for licenisng through Tsunami's parent company, CEhub, Inc.

The network provides an infrastructure featureing shared servers, shared software, shared storage and shared networking for the purpose of making connections, data analysis, marketing and selling products and services at a greatly reduced rate. This method of doing business established in 1999 by Tsunami CE Corp is under patent and offered for licensing through its parent company CEhub, Inc.