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Shortening of on premises.


on-prem (not comparable)

  1. (computing, of software) Installed and run on computers on the premises of the organisation that uses it, and not elsewhere (such as in a server farm or in the cloud).
    • 2012, Thomas Rizzo, ‎Reza Alirezaei, ‎Jeff Fried, Professional SharePoint 2010 Development (page 301)
      A maintenance window for an on-prem system can look like a service problem from the hosting provider. Security can be difficult in this scenario, especially for multi-tenant arrangements, but there are models that work for this.