Registration for the Microsoft 365 Identity and Services goes through the official channels listed here:

• Microsoft Certification Exam Registration (Pearson VUE)

As for the format, the MS-100 exam is delivered Online proctored (Pearson VUE) or in-person testing center — pick whichever fits your situation when you schedule.

The official Microsoft 365 Identity and Services blueprint is divided into 4 domains, led by Implement Microsoft 365 identity and access, Implement and manage Microsoft 365 identity synchronization, and Implement application and external access. The full domain-by-domain breakdown is in the syllabus section above — that is the checklist your study plan should follow.

The passing score for the MS-100 exam is 700, and registering officially costs USD 165 (varies by region). That fee buys exactly one attempt — if you fall short, the retake is charged in full again, no discount for a second try. The practical move is to measure yourself first: drill the 431 practice questions at PrepAwayExam under timed conditions until your mock scores clear the bar with room to spare, then book your seat.

You can. PrepAwayExam publishes a free PDF demo of the MS-100 practice questions — download it, work through it, and decide on evidence rather than promises. Once you own the full product, 365 days of free updates are included, and an expired product can have its update service renewed at a 50% discount from your member zone.

The MS-100 exam — officially the Microsoft 365 Identity and Services — is how Microsoft verifies that you can apply its technologies in real working scenarios, and passing it earns you the Microsoft 365 Certified: Enterprise Administrator Expert certification, a credential at the Expert level. Employers recognize it because it is vendor-issued and skills-based. Candidates often continue toward related credentials such as MS-101: Microsoft 365 Mobility and Security once this one is in hand.

Yes — Microsoft lists these training options for the Microsoft 365 Identity and Services:

• Microsoft Learn MS-100 Learning Path

Courseware teaches the concepts; repetition makes them exam-proof. Combine whichever course you choose with the 431 practice questions from PrepAwayExam and you cover both halves of preparation.

You will face 40-60 questions within 180 minutes on the MS-100 exam. Do the math once and the lesson is clear: dwell too long on a hard item and the clock eats your easy points later. The fix is rehearsal, not luck — take full-length timed mocks in the PrepAwayExam desktop or online test engine until pacing becomes automatic, and learn to flag a question, move on, and return with fresh eyes.

First, delivery: your download is available immediately after payment, and the package also arrives in your email within one minute. If 2 hours pass with nothing in your inbox, check spam and contact support — and feel free to install the software on as many computers as you like, there is no device limit.

Second, the safety net: if you sit the MS-100 exam within 60 days of purchase and do not pass, the PrepAwayExam money back guarantee entitles you to a full refund. File the claim within 2 days of the exam with a scanned enrollment slip and your official score report (PDF); claims are processed within 7 days. The candidate name must match the payer name, and the guarantee excludes exams taken within 3 days of purchase, purchases never used in an actual exam attempt, free materials, and expired orders. If you would rather keep studying, you can swap the product for two free exam packages of equal value and keep the update service on your original purchase.

No formal prerequisites, but MS-100 and MS-101 are both required to earn the Microsoft 365 Certified: Enterprise Administrator Expert certification.

Vendor policies shift from time to time, so treat this as your starting point and verify the current criteria on the official Microsoft exam page before you schedule anything.