A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
938 questions with Microsoft 365 and Office | Development | Microsoft 365 Developer Program tags
MFA on Microsoft 365 developer subscription needs resetting - please advise what I need to do
Hi, I can no longer access the MFA codes in the Authenticator App for my Microsoft 365 developer subscription. Is it possible to have MFA reset so I can setup authenticator again? I know password for the Admin Account, just cannot receive the MFA codes…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Locked out of M365 Developer Tenant (Sole Global Admin) due to lost Authenticator app - Request MFA Reset
Hi Microsoft Q&A Team and Support Engineers, I am experiencing an urgent issue with my Microsoft 365 Developer Program tenant and am currently locked out. Problem Summary: I am the sole Global Administrator for my Developer Tenant domain [Moderator…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
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
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
SharePoint/OneDrive blocked by Acceptable Use Policy throttle (ERR_TOO_MANY_REDIRECTS) — Microsoft 365 Developer Program tenant
My Microsoft 365 Developer Program tenant currently has SharePoint and OneDrive blocked. Tenant details: Tenant ID: <PII removed> Verified domain: <PII removed>.onmicrosoft.com Tenant type: AAD, Country: US Symptoms: In the browser,…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Acceptable Use Policy violation notice on Microsoft 365 Developer E5 sandbox - SharePoint read-only at farm level
Hi, Yesterday a banner appeared across my Microsoft 365 Developer E5 sandbox tenant with the following message: "Your organization's use of Microsoft 365 has been identified as a violation of the Acceptable Use Policy in the Product Terms. The…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Microsoft Team Notification
Dear Microsoft Teams Team, I would like to request a feature that automatically hides Teams notifications whenever a user is presenting or sharing their desktop. Currently, incoming chat notifications may appear on the shared screen, which can…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Global Admin Locked Out - MFA Error 500121
Hi, I'm a Microsoft 365 Developer Program subscriber. My Global Admin is locked due to Microsoft Authenticator failure (Error 500121). No backup MFA method is configured. How can I regain admin access to my developer tenant? I can still access…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Global Admin MFA Lockout - Only Administrator in Developer Sandbox
Only Global Administrator: Microsoft Authenticator device lost. No alternate MFA methods available. No additional Global Administrators exist. Requesting guidance for sandbox recovery or MFA reset.
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Developer tenant suddenly marked as trial-only, SharePoint read-only
Hi, My tenant belongs to the Microsoft 365 E5 Developer Program, but the following message appears in the SharePoint Admin Center: “Your trial will end on July 30, 2026. Trial-only tenants are limited to 30 days and 300GB of pooled storage. Purchase a…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
[Moderator note: Personally Identifiable Information removed]@618xrx.onmicrosoft.com - reset authenticator because lost phone
I lost my phone recently - can not access my admin acc: [Moderator note: Personally Identifiable Information removed]@618xrx.onmicrosoft.com I ask M365 Developer Portals support and have below answer - pls have account-recovery team re-register your…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Developer E5 tenant suddenly reports SharePoint storage exceeded despite only 15% Used from 5TB,
Trial-only tenants are limited to 30 days and 300GB of pooled storage My Microsoft 365 E5 Developer tenant has suddenly become read-only because SharePoint reports the organization storage quota has been exceeded. However, the reported storage values…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Global Admin Locked Out/Authenticator Issue
I'm locked out of my dev/test E5 sandbox. The registration for my global admin account in Authenticator is broken and no longer getting push messages. The only method for logging in was password with authenticator MFA. My password still works, I'm…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Microsoft 365 Developer Program Subscription Expired During MFA Recovery – Reactivate Subscription Disabled ✅ (Best choice)
I am requesting assistance with my Microsoft 365 Developer Program subscription. Tenant: [Moderator note: personal info removed] I lost access to my developer tenant after replacing my phone because Microsoft Authenticator on the old device was my only…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Capped at 300GB tenant for Microsoft 365 E5 Developer (without Windows and Audio Conferencing) although it's said to have 5TB for each user
The license Microsoft 365 E5 Developer (without Windows and Audio Conferencing) shows that each assigned user gets 5TB OneDrive storage. However, recently I checked that my tenant is capped at 300GB and get this notification: "Your pooled storage is…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Active Microsoft 365 E5 Developer tenant unexpectedly limited to 300 GB pooled storage
I am requesting assistance regarding a storage limitation issue affecting my Microsoft 365 E5 Developer tenant. My tenant has been active for several years and currently shows an active Microsoft 365 E5 Developer subscription with 25 licenses. The…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Accidentally deleted Microsoft 365 Developer Program profile - Request to restore subscription
Hello Microsoft 365 Developer Program Team, I accidentally clicked Delete Profile on my Microsoft 365 Developer Program dashboard. I did not intend to leave the program. My developer tenant is: [Moderator note: Personally Identifiable Information…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Lost Microsoft Authenticator - Only Global Administrator of Microsoft 365 Developer Tenant
Hello Microsoft Team, I am the only Global Administrator of my Microsoft 365 Developer Program tenant. Tenant name: zpt80.onmicrosoft.com Global Administrator: [Moderator note: Personally Identifiable Information removed] @zpt80.onmicrosoft.com…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
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
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Unable to access Microsoft 365 Developer Program tenant due to lost MFA device
I am locked out of my Microsoft 365 Developer Program tenant because I no longer have access to my Microsoft Authenticator app. I am the only Global Administrator for this tenant. I recently changed to a new phone, and my old phone was factory reset. The…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.
Request MFA Reset / Verification Issue for Global Admin Account in M365 Dev Program
Hi Microsoft Support Team, I am experiencing a login blocker with my Microsoft 365 Developer Program account due to Multi-Factor Authentication (MFA) SMS verification failure. Affected Account (UPN): [Moderator note: personal info…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
A free program from Microsoft that provides developers with the tools, resources, and sandbox environments needed to build solutions for Microsoft 365.