Troubleshooting
Troubleshooting
Fixes for the most common sign-in, callback, and session problems on OSTaaS.
Start here when something goes wrong. Each article maps a symptom to a cause and a fix. If a sign-in failed, the result screen's reference ID speeds up support.
Common problems
- Microsoft sign-in — Entra/Azure AD specific errors.
- Sign-in problems — provider-agnostic sign-in failures.
- Callback mismatch — redirect URI errors after a provider redirect.
- Session expired — you were signed out unexpectedly.
Related
Related documentation
- Microsoft sign-in troubleshootingResolve Microsoft Entra ID (Azure AD) sign-in errors such as consent, tenant restrictions, and redirect mismatches.
- Fixing sign-in problemsWhat to do when Google, Microsoft, GitHub, GitLab, or Atlassian sign-in fails.
- Session expiredWhy you were signed out, and how to get back into your workspace quickly.