MCMS is a Microsoft product intended for small to medium enterprises that require content management functionality on their web site
http://en.wikipedia.org/wiki/Microsoft_Content_Management_Server
Content Management System
Get access to data on 2,916 websites that are Microsoft Content Management Server Customers. We know of 236 live websites using Microsoft Content Management Server and an additional 2,680 sites that used Microsoft Content Management Server historically and 72 websites in the United States.
Get a list of 2,916 websites using Microsoft Content Management Server which includes location information, hosting data, contact details, 2,299 currently live websites which includes 2,063 domains that redirect to sites in the list. 2,680 sites that used this technology previously and 72 websites in the United States currently using Microsoft Content Management Server.