898 questions with Microsoft 365 and Office | Development | Microsoft 365 Developer Program tags

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2 answers

Error Code 40902 during M365 E5 Developer Program registration

I am currently trying to set up my Microsoft 365 E5 Developer subscription sandbox, but I am completely blocked at the security phone verification step. Whenever I enter my phone number and click "Send Code", the system immediately blocks the…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-13T10:40:06.4433333+00:00
Shelly Duong 0 Reputation points
answered 2026-07-14T02:20:44.0366667+00:00
Shelly Duong 0 Reputation points
3 answers

Can't login to Developer Sandbox MFA Device Lost

Hi All, We are in the middle of tenant joined or acquisition, we migrated our production main primary email and i still have access to that. It seems i also have access to the Sandbox but not he admin to login as i lost the device. I tried resetting…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-10T02:02:40.1833333+00:00
Mar Roble 0 Reputation points
commented 2026-07-14T00:24:09.1333333+00:00
Teddie-D 19,350 Reputation points Microsoft External Staff Moderator
1 answer

Microsoft 365 Developer Program - "No billing accounts found" when provisioning E5 Instant Sandbox

Hello, My team and I are trying to provision a Microsoft 365 E5 Developer sandbox through the Microsoft 365 Developer Program, but we are blocked during the Instant Sandbox setup. Environment Microsoft 365 Developer Program member Using a corporate…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-13T06:20:40.94+00:00
Auras Paltanea 0 Reputation points
answered 2026-07-13T07:04:43.14+00:00
Teddie-D 19,350 Reputation points Microsoft External Staff Moderator
1 answer

Issue Accessing Microsoft Developer Account

Hi Team, I am unable to access my Microsoft Developer account because I lost the mobile phone that hosted my Microsoft Authenticator app. When I try to log in, the system prompts me for an authentication code that I cannot provide. Could you please help…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-13T03:28:40.8866667+00:00
Surla Surya Sundar Kumar 0 Reputation points
edited an answer 2026-07-13T04:04:27.2933333+00:00
Teddie-D 19,350 Reputation points Microsoft External Staff Moderator
1 answer

Help please

so I tried doing dev stuff and it says either the account or title cant use this sandbox how do I change it because I cant

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-12T07:23:49.2433333+00:00
Devin Fisher 0 Reputation points
edited the question 2026-07-12T08:17:26.1233333+00:00
Teddie-D 19,350 Reputation points Microsoft External Staff Moderator
2 answers

Microsoft 365 Developer Program cannot detect active MCA billing account when provisioning E5 sandbox

I qualify for the Microsoft 365 Developer Program and am attempting to provision a Microsoft 365 E5 Developer Sandbox. During setup, the wizard reports "No billing accounts found." I have verified the following: Microsoft AI Cloud Partner…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-06-25T06:23:13.0966667+00:00
Karla Nema 5 Reputation points
commented 2026-07-10T05:57:52.8033333+00:00
Nikolas Hülsmann 0 Reputation points
1 answer

M365 Developer Account Global Admin locked out due to MFA SMS Verification Error

I am the Global Admin of my M365 Developer Sandbox ([Moderator note: personal info removed].onmicrosoft.com). I recently changed my phone and lost access to Microsoft Authenticator. When I try to use the SMS verification backup, I get the error:…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-09T09:11:34.0666667+00:00
Tan Truong 0 Reputation points
edited an answer 2026-07-09T13:50:26.4866667+00:00
Michelle-N 19,790 Reputation points Microsoft External Staff Moderator
1 answer

Developer Program tenant deauthenticated — AADSTS5000224, locked out as sole Global Admin, need data export

My Microsoft 365 Developer Program tenant ([Moderator note: personal info removed]) is no longer accessible. I am the sole Global Administrator. When I try to sign in to the admin center, I get "Sign-in failed — The tenant you are trying to access…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-09T10:15:35.1766667+00:00
Artist ShawOn 0 Reputation points
answered 2026-07-09T10:59:53.41+00:00
Michelle-N 19,790 Reputation points Microsoft External Staff Moderator
5 answers

Tôi không đăng nhập được vào tài khoản: [Moderator note: personal info removed].onmicrosoft.com

Tôi không đăng nhập được vào tài khoản: [Moderator note: personal info removed].onmicrosoft.com Nguyên nhân MẤT ĐIỆN THOẠI khi cài đặt phần mềm authenticator Microsoft

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-08T03:58:49.5233333+00:00
VÕ HOÀNG CHƯƠNG 20 Reputation points
answered 2026-07-09T10:10:03.98+00:00
Michelle-N 19,790 Reputation points Microsoft External Staff Moderator
1 answer

no other global admins account for MS 365 Dev Tenant with MFA enable Authenticator devices is damage

no other global admins account for MS 365 Dev Tenant with MFA enable Authenticator devices is damage

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-08T20:26:27.7733333+00:00
thomas Richardson 0 Reputation points
edited an answer 2026-07-08T21:05:00.0933333+00:00
Hin-V 16,405 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Locked out of Microsoft 365 Developer Program sandbox tenant

I joined the Microsoft 365 Developer Program with my personal Microsoft account and received a Microsoft 365 Developer sandbox tenant. I can no longer access or manage the sandbox tenant, because someone deleted all the users from it. At the Developer…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-08T11:39:09.24+00:00
Zsolt Dunai (zdunai) 20 Reputation points
accepted 2026-07-08T14:09:32.8733333+00:00
Zsolt Dunai (zdunai) 20 Reputation points
1 answer

Phone number blocked due to deleted developer account (Error 40901)

During the process of creating a Microsoft Developer account, the system unexpectedly switched me to a different Microsoft account than the one I was originally logged into. As a result, the Developer account was created on the wrong Microsoft profile…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-06T11:25:52.2066667+00:00
Paweł Jakubczyk 0 Reputation points
answered 2026-07-06T12:17:17.2733333+00:00
Michelle-N 19,790 Reputation points Microsoft External Staff Moderator
1 answer

How to delete Microsoft 365 Developer Program profile/subscription

I have deleted my profile several times now, over several months, but it is still there - how do I delete my profile permanently?

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-03T20:40:20.88+00:00
Torben Andersen 0 Reputation points
edited an answer 2026-07-05T18:13:52.35+00:00
Hin-V 16,405 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Request to Restore Microsoft 365 Developer Profile

Dear Microsoft 365 Developer Program Support, I am writing to request assistance with my Microsoft 365 Developer Program account. My Microsoft account email is: <PII removed>@gmail.com I was previously eligible for the Microsoft 365 Developer…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-04T11:15:26.28+00:00
Phạm Tiến Dũng 20 Reputation points
accepted 2026-07-04T17:47:45.1033333+00:00
Phạm Tiến Dũng 20 Reputation points
1 answer

Microsoft 365 Developer (E5 sandbox) tenant blocked for AUP - request review and access to recover data

Hello, My Microsoft 365 Developer Program (E5 sandbox) tenant has been blocked for an Acceptable Use Policy violation by one of my users. I am the tenant administrator. When I try to sign in to the Microsoft 365 admin center I receive: "Access…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-04T11:38:22.2733333+00:00
Ahmed MM 0 Reputation points
answered 2026-07-04T13:20:23.8133333+00:00
Teddie-D 19,350 Reputation points Microsoft External Staff Moderator
1 answer

Locked out of Microsoft 365 Developer tenant after changing phone - MFA reset required

Hello, I am the only Global Administrator of my Microsoft 365 Developer tenant. Tenant: [Moderator note: Personally Identifiable Information removed].com Admin account: [Moderator note: Personally Identifiable Information removed].com I changed my phone…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-03T15:12:11.4333333+00:00
sriramoju karthikeya 0 Reputation points
answered 2026-07-03T16:27:59.62+00:00
Hin-V 16,405 Reputation points Microsoft External Staff Moderator
1 answer

Lost Microsoft Authenticator device - Sole Global Admin of Microsoft 365 Developer Program tenant

Hello Microsoft Team, I am the owner of a Microsoft 365 Developer Program subscription and I need assistance recovering access to my tenant. Developer Program Account: [Moderator note: personal info removed]@gmail.com Tenant: [Moderator note: personal…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-03T06:48:33.29+00:00
Viet Phan 0 Reputation points
answered 2026-07-03T07:34:13.4466667+00:00
Michelle-N 19,790 Reputation points Microsoft External Staff Moderator
1 answer

ISV Success member still receives "You don't currently qualify for a Microsoft 365 Developer Program sandbox subscription" 8 days after enrolment — eligibility check not picking up Partner Center status

I'm a member of the Microsoft AI Cloud Partner Program (MAICPP) and have been enrolled in the ISV Build & Publish track for over a week. Partner Center confirms my enrolment is active and all account verifications are complete, but the Microsoft 365…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-06-02T03:51:18.8333333+00:00
Damien Thiesson 0 Reputation points
commented 2026-07-03T06:13:57.08+00:00
OliverW 5 Reputation points
1 answer

M365 Developer Program - Phone verification fails with Code 40351

Hello, I am trying to set up my Microsoft 365 E5 instant sandbox using my corporate email address (registered as a Microsoft Partner). However, I am entirely blocked at the phone verification step. My company's authentication system forces my official…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-07-02T14:36:44.11+00:00
MASCLE Jules 0 Reputation points
edited an answer 2026-07-02T17:57:40.34+00:00
Hin-V 16,405 Reputation points Microsoft External Staff Moderator
1 answer

AADSTS5000224 – tenant deauthenticated and no longer available

Hello Microsoft Team, I am seeking assistance regarding a Microsoft 365 Developer Program (E5 Developer) tenant that I can no longer access. When attempting to sign in with my administrator account, I receive the following error: AADSTS5000224: The…

Microsoft 365 and Office | Development | Microsoft 365 Developer Program
asked 2026-06-22T10:33:20.82+00:00
Dev BookingCampus 0 Reputation points
commented 2026-07-02T08:57:55.4633333+00:00
Jayden-P 25,305 Reputation points Microsoft External Staff Moderator