I'm getting issue that Teams cannot recognize my account when joining an external teams invite meeting

Khaled Soliman 0 Reputation points
2026-09-30T23:11:54.3866667+00:00

Something worng with my account and teams and i'm getting this error message: Request Id: [Moderator note: Personally Identifiable Information removed]

Correlation Id: [Moderator note: Personally Identifiable Information removed]

Timestamp: 2026-09-30T22:55:33Z

Message: AADSTS90002: Tenant '[Moderator note: Personally Identifiable Information removed]' not found. Check to make sure you have the correct tenant ID and are signing into the correct cloud. Check with your subscription administrator, this may happen if there are no active subscriptions for the tenant.

I'm not sure what is the issue, as i cannot use all the Meeting features (i.e. Video) and i need an urgent help for my meetings

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  1. Dora-T 1,295 Reputation points Independent Advisor
    2026-10-01T00:23:55.58+00:00

    Hi @Khaled Soliman

    Based on my research, the AADSTS90002 error is generally associated with a tenant name that cannot be found in Microsoft's data store. Microsoft recommends checking that the correct tenant ID is being used. The error may also occur when an application attempts to sign in to a tenant that cannot be found, such as when the wrong cloud is being used, when a tenant is derived from an email domain that is not registered, or when the tenant has been deleted or no longer has an active Microsoft 365 or Azure subscription.

    Microsoft Entra authentication & authorization error codes - Microsoft identity platform | Microsoft Learn 

    Could you please let me know whether the issue occurs in the Teams desktop app, Teams on the web, or both? 

    In the meantime, you can try the following: 

    -If you are using the Teams desktop app, please first sign out of Teams and sign back in with the account associated with the meeting invitation. If the issue persists, you can also try clearing the Teams cache and signing in again. 

    For your reference: Clear the Teams client cache - Microsoft Teams | Microsoft Learn 

    -You can also try joining the meeting through Teams on the web using an InPrivate/Incognito browser window. Sign in with the account associated with the meeting invitation and try joining the meeting again. 

    -If the issue only occurs with meetings organized by one particular organization, please ask the meeting organizer's IT administrator to verify that the invitation was sent to the account you are using to join the meeting, verify the tenant ID, and ensure that the tenant and its Microsoft 365 subscription are still active.

    I hope this helps. 

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