Startups: Companies that are in their initial stages of business and typically developing a business model and seeking financing.
Hi @子轩 冯 ,
The error code AADSTS5000225 indicates that Microsoft's tenant lifecycle management system has flagged the Microsoft Entra ID tenant linked to your login as inactive (typically meaning it went unused for over 200 days) and has placed a login block on it.
Once this block is triggered, Microsoft provides a strict 20-day countdown to reactivate the tenant. If no action is taken within 20 days, the tenant and its configuration are permanently deleted.
Try to attempt a Direct Tenant Sign-In
Sometimes a standard login fails because your browser is hitting a cached or default path. Try bypassing the standard portal link by pointing directly to your tenant's domain or identifier:
- Open a fresh Incognito/Private browser window.
- Go to: https://portal.azure.com/your-tenant-name.onmicrosoft.com or https://portal.azure.com/your-college-domain.com
- If you know the specific directory/tenant ID, you can also use: https://portal.azure.com/<Tenant-ID>
If you are able to bypass the block and log in via this method, immediately open a Support Request from the help icon (?) in the top right corner of the Azure Portal to request formal reactivation.
What to do if you are using a Personal Account or trying to link a Student Subscription
If this error unexpectedly popped up while you were trying to activate a fresh Azure for Students offer or a student ambassador profile using a personal account that happens to be linked to an old, inactive directory:
- Try logging into the Microsoft Entra Admin Center at entra.microsoft.com.
- Navigate to Microsoft Entra ID -> Overview -> Manage tenants.
- See if you can create a completely new, clean tenant.
- Once created, switch your directory context to the new tenant and attempt your registration or subscription allocation there.
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Thank you!