Teams error warning

Question

Teams error warning

Paul Spinolo 0

Teams is asking me to sign in. I am unable to do so based on the error notice. refer attached screenshot. Please advise?

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2 answers

Your answer

Answer 1

Helen Luu 1,785 Independent Advisor

Hello @Paul Spinolo,

Based on the information provided, I understand that you are experiencing an issue with Microsoft Teams. To investigate this further, could you please resend the screenshot of the issue, as I was unable to locate it in your previous correspondence?

Additionally, please let me know whether the issue occurs in both the Teams desktop application and the Teams mobile app, and when you first noticed the problem. It would also be helpful to know if other Microsoft 365 applications, such as Outlook or the Office apps, are working normally.

If you are using any third-party VPN, antivirus, or firewall software, please try temporarily disabling it and check whether the issue persists. To further isolate the cause, please test the behavior using an InPrivate browser window, a different device, a different network connection, or the Teams mobile application.

Lastly, could you confirm whether you are an end user or a Microsoft 365 administrator?

I look forward to your response.

Paul Spinolo 0 Reputation points

2026-07-29T02:44:11.9966667+00:00

Hi Helen, screenshot attached. Thank you your detailed response. I have tried some of your suggestions but do not understand them all.

it appears only to impact Teams on my laptop?

I first noticed the issue within the last week, however have been asked to sign in for some time now

I believe I am an "end user"?
Helen Luu 1,785 Reputation points Independent Advisor

2026-07-29T06:47:20.6233333+00:00

Hi Paul,

I’m still unable to see the screenshot attachment on my end. Could you please provide the exact error message in text?

Additionally, could you confirm whether the laptop experiencing the issue is your personal device, and whether the computer where you can sign in successfully is a company-managed/business device?

I look forward to your update.
Paul Spinolo 0 Reputation points

2026-07-29T23:14:14.44+00:00

hi Helen, appreciate your patience. I am having difficulty attaching the screenshots? Have tried to attach two separate images?
Helen Luu 1,785 Reputation points Independent Advisor

2026-07-30T14:01:36.1033333+00:00

Hi Paul,

The screenshot still not showing. Could you try to use snipping tool to take the screenshot and pasting here?
Paul Spinolo 0 Reputation points

2026-08-01T02:32:58.2033333+00:00

Hi Helen.

Still not sure if these images are being uploaded?

Answer 2

Paul Spinolo 0

I dont know what you are asking me to do?

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