Window Security Password

Question

Hi

I have been trying to connect to my uni wifi but I cant remember my window security username or passowrd?

Troubleshooting details:

Request id: 625c53dd-a8c5-4863-bea5-ea172eae4e01

Correlation: 0469a9ce-af3c-46b1-8d9c-9a2e15f7e8ee

Timestamp: 2026-03-06T01:56:0Z

Message: AADSTS900561: The endpoint only accepts POST requests. Received a GET request.

Answer 1

Hi,

There are two separate issues here.

Step 1:

1. Open a private/incognito window in your browser and try logging in again​
2. If that doesn't work, go to Internet Options → Privacy tab → Sites → enter https://login.microsoftonline.com and click Allow​
3. Alternatively, clear your browser cookies and cache entirely, then retry.

If it does not help, likely the issue stems from the University WiFi. Contact your university's IT department or visit their self-service portal to Reset password.

I hope this information helps. If you have any more questions, don't hesitate to reach out.

Otherwise, please take a moment to rate the answer. Wishing you good luck!

Answer 2

For university Wi‑Fi, the “Windows Security” username and password prompt is asking for the credentials of the account the university gave for network access (often a work/school Microsoft Entra ID account), not a random local password.

If the university Wi‑Fi uses a work or school Microsoft account and the password is forgotten or not working, use the self‑service reset flow for that work/school account (if the university has enabled it):

1. Start sign‑in at the My Sign‑Ins page: https://mysignins.microsoft.com/security-info.
2. On the sign‑in screen, select Can’t access your account?
3. Enter the university email address (for example, ******@university.edu) and complete the CAPTCHA.
4. Select Next.
   • If self‑service reset is enabled, a Get back into your account screen appears.
   • If instead a Contact your administrator link appears, self‑service reset is not enabled and the university IT helpdesk must reset the password.
5. Choose one of the available verification methods (phone, email, app), complete verification, and set a new password.

If the account is a personal Microsoft account (Outlook/Hotmail/Live) used for sign‑in on the device and that password is forgotten, recover it using the Microsoft account recovery flow:

1. Go to the Recover your account page: https://account.live.com/password/reset.
2. Enter the email address, phone number, or Skype name used to sign in.
3. Choose where to receive the security code, then enter the code.
4. Set a new password and confirm it.

If the username itself is not remembered:

• Make sure the correct domain is used (for example, .com vs .co.uk for personal accounts, or the exact university domain for school accounts).
• Try any alternate email alias or phone number that might be on the account.

If none of these options work (for example, no security info is set up, or the page shows “Please contact your administrator”), contact the university IT support or administrator and ask them to reset or provide the correct Wi‑Fi credentials.

The AADSTS900561 error in the troubleshooting details indicates the sign‑in request was sent incorrectly (GET instead of POST) by the client or portal, not that the username/password is wrong; resolving the account/password issue and then following the university’s official Wi‑Fi setup instructions (often a specific onboarding page or profile) is required.

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References:

• Reset your Microsoft work or school account password using security info
• My username and password have stopped working
• Troubleshoot sign-in issues and account access problems
• Change your work or school account password
• Common problems with two-step verification for a work or school account

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