TeamsFixer
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AADSTS70008 Severity: Low

Refresh token expired

The refresh token Teams uses to silently extend your session has fully expired. A complete re-sign-in is required.

Last verified:

Affected systems

windows macos ios android web

Symptoms

  • AADSTS70008 after a longer break or weekend
  • Teams suddenly demands sign-in even though you changed nothing
  • Other Microsoft apps demand the same

Possible causes

  • Refresh token lifetime in the tenant has expired (typically 90 days inactivity)
  • Account properties in the tenant changed
  • You signed out fully on another device, which revokes the session

Solutions

1.Simply sign in again

  1. Top right in Teams, click your profile, then 'Sign out'.

  2. Reopen Teams and sign in with password and MFA fresh.

2.Clear local cache if sign-in does not complete

  1. Quit Teams via Task Manager.

  2. Delete the cache.

    %appdata%\Microsoft\Teams

  3. Restart Teams.

3.Review active sessions

  1. Open https://mysignins.microsoft.com and 'Active sessions'.

  2. Sign out suspicious devices.

  3. Sign in fresh on the current device.

AADSTS70008 is a normal part of the token lifecycle, not a bug. Only if it appears daily is it worth chasing IT about the token lifetime policy.