# Console

Last validated Jan 29, 2026

* [Authentication failed while retrieving details from your identity provider](/docs/reference/messages/console/auth-failed-sso) — The client couldn't connect to the SSO provider. Check IdP status, config, redirect URLs, and firewall rules to resolve authentication issues.

* [Error 500 no auth service](/docs/reference/messages/console/no-auth-service) — The client can't reach the IdP auth service. Check IdP config, redirect URLs, and firewall rules to restore SSO login.

* [Failed to load sharing information](/docs/reference/messages/console/sharing-failure) — Sharing info failed to load in the admin console. Try again later or check Tailscale status for possible service issues.

* [Login name change detected](/docs/reference/messages/console/login-name-change) — A login email changed for a tailnet on a public domain. Revert the change or create a new tailnet, as admin access is now blocked.

* [Multiple users with login](/docs/reference/messages/console/multi-user-login) — A login email matches multiple users or tailnets. Confirm the correct email or contact support to resolve the login issue.

* [Reached use limit](/docs/reference/messages/console/reached-use-limit) — Your plan reached its user limit. Upgrade, remove users, or contact support or your admin to resolve account or policy restrictions.

* [You don't have access to the admin console](/docs/reference/messages/console/no-access) — A Member user tried to access the admin console. Only users with Owner, Admin, or IT admin roles have admin permissions.

* [Your account is not an administrator](/docs/reference/messages/console/account-not-admin) — A Member user tried to access the admin console. Only users with Admin, IT admin, or Owner roles have permission to manage settings.

* [Your organization has restricted members from joining external tailnets](/docs/reference/messages/console/org-has-restrictions) — Your org blocks joining external tailnets. Use a different email or contact your admin to request access with your org address.