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Microsoft 365 and Office | Subscription, account, billing | For business | Other
Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
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Dear Yannik Köllmann,
Welcome to Microsoft Q&A.
Thank you for sharing the details, and I’m sorry for the inconvenience this has caused. The error code AADSTS5000225 means your Microsoft Entra ID (formerly Azure AD) tenant has been blocked due to inactivity. This typically happens when a subscription expires or the tenant remains unused for a long period, as part of Microsoft’s tenant lifecycle policies. Once a tenant reaches this state, sign-in is disabled at the tenant level, which is why you cannot access the portal or follow online instructions.
Please note that forum moderators have no control over user accounts, especially when it comes to logging in to your account, resetting your password, changing your access, etc.
To reactivate your tenant:
The tenant administrator can reach out to Microsoft, please try to find the related hotline number to call the frontline let them raise a ticket for you: Customer service phone numbers - Microsoft Support
Depending on your country or region, when you call the support number, you may hear an introduction of about 30 seconds such as "you can visit the link...". You can ignore this introduction and wait until you are presented with the options. Then press "1" as a business email user, and again "1" for technical help
Explain that your tenant is blocked due to inactivity and you cannot sign in, provide all the details you listed above so they can quickly verify the tenant status.
If your organization's Office 365 Business/Education subscription is from a partner or reseller, and the global administrator is unable to open a service request on your end, contact the reseller's support provider to help open a service request on behalf of you instead.
If you still cannot reach to agent, there is still a workaround, you might consider registering for a new tenant by signing up for a trial subscription via this link Compare All Microsoft 365 Plans | Microsoft. This would allow you to create a new tenant following the provided prompts. Once set up, you can access the admin console of the new tenant and submit a support ticket requesting to speak with the Data Protection team on behalf of your previous tenant.
Please remember to cancel the trial subscription once your issue is resolved to avoid any unintended charges.
I hope this information helps point you in the right direction. If you run into any issues while trying the steps, or if something still doesn’t feel quite right, please don’t hesitate to reach out again. I’ll do my best to support you however I can.
Looking forward to hearing back from you with any updates or additional details.
Warm regards,
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