English

Adjective

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.