Fix AADSTS9002313 Invalid Request Error When Activating Microsoft 365
Question details
The user is unable to activate Microsoft 365 and receives an AADSTS9002313 Invalid Request error code.
- Product
- Microsoft 365
- Device & OS
- Windows 7 (64-bit)
- Scenario
- Attempting to sign in and activate Microsoft 365 Business Standard on a legacy operating system.
- Observed behavior
- The activation fails with an AADSTS9002313 error, typically caused by malformed requests due to outdated security protocols on unsupported OS versions.
Check your current Windows version in your system properties and ensure you have administrative privileges to install updates or modify system settings.
Upgrade to a Supported Windows Operating System
The most reliable way to resolve activation errors and continue receiving Microsoft 365 updates is to upgrade from Windows 7 to a supported OS like Windows 10 or 11.
Microsoft ended support for Windows 7 in January 2020. Microsoft 365 Apps require a currently supported Windows operating system to function correctly and securely.
Visit the official Microsoft software download page and download the Windows 10 or Windows 11 installation media creation tool.
Launch the downloaded tool, accept the license terms, and select 'Upgrade this PC now'.
Follow the on-screen prompts to complete the operating system upgrade. Your computer will restart several times.
Once the upgrade is complete, uninstall and reinstall Microsoft 365, then open Word or Excel and sign in to activate.
Install Updates and Enable TLS 1.2 on Windows 7
If you cannot upgrade your operating system immediately, enabling TLS 1.2 may temporarily restore Microsoft 365 activation communication.
Run the Microsoft Support and Recovery Assistant
Use Microsoft's automated diagnostic tool to identify and automatically fix underlying activation issues.
Use WPS Office as a Lightweight Alternative for Windows 7
If your computer cannot support the latest Microsoft 365 OS requirements, WPS Office offers a free, highly compatible alternative that still runs smoothly on legacy systems like Windows 7.
- 1. Download WPS Office: Visit the official WPS website and download the free installation package for Windows.
- 2. Install on your system: Run the installer. WPS Office installs quickly and is fully compatible with Windows 7, 8, 10, and 11.
- 3. Open your files: Launch the application to seamlessly open, edit, and save your existing Microsoft Office documents without format loss.
Frequently Asked Questions
What does the AADSTS9002313 error mean?
This specific error code indicates that the authentication request sent to Azure Active Directory during activation is malformed or invalid. This usually happens when an older operating system tries to connect using outdated, unsupported security protocols.
Why does Microsoft 365 fail to activate on Windows 7?
Windows 7 lacks native, default support for TLS 1.2, a secure communication protocol that Microsoft's modern activation servers now require. Without it, the activation request is rejected.
Can I still use Microsoft 365 Apps on Windows 7?
While enabling TLS 1.2 might temporarily allow you to activate and use the apps, Microsoft ended support for Windows 7 in January 2020. Microsoft 365 apps installed on Windows 7 will not receive new feature updates.
