MS-721 case studies
MS-721 · Put your knowledge to work in context.
MS-721 is the exam behind the Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate credential - an intermediate-level, administrator-role certification built around Microsoft 365. It is aimed at the engineer who plans, deploys, configures, maintains, and troubleshoots the collaboration and communications estate of an organization: Teams Phone, Teams meetings, webinars, and town halls, Teams Premium, Teams Rooms and other certified devices supporting flexible workplaces. The MS-721 case studies are 5 cases and about 4,368 words.
1Northwind Logistics: Media Path Remediation Before PBX Retirement
Northwind Logistics is replacing a 20-year-old PBX for 4,200 employees across 38 sites in Canada, the US, and Mexico within nine months. HQ (1,400 users) has a 1 Gbps internet circuit; the other 37 sites are on MPLS hub-and-spoke with no local internet egress, and all web traffic is forced through a HQ proxy.
895 words, about 4 min2Fabrikam Retail: Choosing Town Hall, Webinar, and Something Else Entirely
Fabrikam Retail runs three recurring events. A quarterly all-hands for 12,000 employees: 9,000 remote, 3,000 in stores sharing tablets on shift.
817 words, about 4 min3Woodgrove Capital: Why the Board Policy Did Not Apply
Woodgrove Capital, 1,100 users, has a regulatory obligation to protect board communications. A new 'Board-Restricted' meeting policy is supposed to enforce: no anonymous join, no lobby bypass for anyone not invited, recordings allowed only for the organizer, watermarks on shared content, and labeled meetings.
836 words, about 4 min4Adatum Health: Three Countries, Three PSTN Answers, One Extension Plan
Adatum Health has 2,500 Teams Phone users: 1,200 in the US, 800 in the UK, 500 in Germany. The US has a pair of certified SBCs in a Dallas datacenter with three years left on a SIP contract and 1,200 DIDs.
918 words, about 5 min5Tailspin Properties: 180 Rooms, a Three-Week Deadline, and an Unfunded License Bill
Tailspin Properties has 180 meeting rooms: 120 Windows-based Teams Rooms and 60 Teams Rooms on Android. 25 are small huddle spaces that only need to join meetings.
902 words, about 5 min