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Microsoft Build localhost: Frequently Asked Questions (FAQs)

Molly edited this page Jun 3, 2026 · 14 revisions

Build //localhost — Frequently Asked Questions (FAQ)

Registrations & Communications

What communications are sent to registrants and when?
Registrants will automatically receive:

  • Registration Confirmation: Immediately after registering
  • Reminder Emails:
    • 72 hours before the event
    • 24 hours before the event
  • Thank You Email: 48 hours after the event

What should registrants know?
Registrants are informed that:

  • Space is limited and unregistered guests are not allowed
  • They should cancel their registration if they can no longer attend
  • They may be asked to present their registration confirmation email at entry

Do registrants need to bring a laptop?
It is highly recommended, as many events include hands-on labs.


Can people register on the day of the event?
Yes—if space is still available and there are no security restrictions for building entry (e.g., no pre-submitted list required).


What do I need to do if my event is held in a Microsoft-owned facility?
You will receive a security confirmation email from ATC@Microsoft.com asking how attendees will gain entry.

You must confirm whether a registrant list is required:

  • No: Attendees will show their confirmation email at entry
  • Yes: Provide the Microsoft Security/Lobby Host contact name and email, and confirm:
    • What attendee information is required
    • The date the list is needed

If a list is required, you must also:

  • Respond to the security confirmation email
  • Share Security/Lobby Host contact details
  • Confirm required fields (e.g., name, email)
  • Confirm the submission deadline

This allows us to deliver the list on time and close registration accordingly.
Note: Registration may close early depending on the deadline provided by Microsoft Security/Lobby Host.


Program Overview

When is Microsoft Build //localhost 2026?
Build //localhost events take place between June 4–26, 2026.

When is Microsoft Build 2026?
Microsoft Build is scheduled for June 2–3, 2026 in San Francisco.

What is Microsoft Build //localhost?
A community‑led, in‑person extension of Microsoft Build using Microsoft-provided content.

Who is the audience for Build //localhost?
Developers, especially enterprise and AI developers, with a focus on hands-on learning.


Eligibility & Hosting

Who can host a Build //localhost event?
Microsoft MVPs/RDs and Azure Tech Groups organizers.

Does being an MVP increase the chance of approval?
No.

Can one organizer run multiple events?
Possibly, reviewed case by case.


Application & Key Dates

Application status
Closed.

Key dates for hosts

  • Application: April 24 – May 20
  • Know Before You Go: June 8
  • Event window: June 4 – June 26
  • Reimbursement due: June 30
  • Debrief: July (TBD)

Marketing toolkit
View Marketing Toolkit


Host Responsibilities

What am I committing to as a host?

  • Secure a June venue and date
  • Promote your event (30+ attendees target)
  • Deliver the provided content
  • Use the Reactor registration link
  • Complete post-event steps

Minimum attendance requirement
At least 30 in-person attendees.

Are virtual or hybrid events allowed?
No — in-person only.

Event Hosts — After the Event

How do I report the final total number of attendees to Microsoft?
Go to Plainsight and submit the survey.

How does reimbursement work?
Submit receipts, photos, and attendance data.

Content & Agenda

What content is provided?
Keynote video, breakout decks, and workshop materials.

Can I customize the content?
Yes.

When is content available?
Starting June 4.

Is there a fixed agenda?
No — sample agendas are provided.


Registration, Tracking, & Reactor

What is Microsoft Reactor?
The platform for registration and attendance tracking.

Is Reactor required?
Yes.

Can I promote elsewhere?
Yes—but registration must go through Reactor.

Can I see registrant data?
No.


Venue Support

Do I need to find a venue?
Yes.

Can Microsoft provide a venue?
Sometimes (not guaranteed).

Is an FTE required in Microsoft venues?
Yes.

Can I use a third-party venue?
Yes.


Funding & Reimbursements

Is travel support provided?
No.

MVP reimbursement
Up to $500 (or $300 without Microsoft venue).

Non-MVP reimbursement
Up to $300 venue + $200 F&B.

Are exceptions available?
Yes, case by case.

How does reimbursement work?
Submit receipts, photos, and attendance data.


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