Error map
AADSTS50020 AADSTS50020: User account from identity provider does not exist in tenant and cannot access the application
Azure · layer 6, Platform & cloud
Centre: this error. First ring: errors it is linked with (12). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.
Directly related (12)
AADSTS50053: Your account is locked (Smart Lockout) / sign-in blocked due to suspicious activity
Too many failed sign-ins (or sign-ins from a malicious IP) triggered Entra Smart Lockout.
AADSTS50173: The provided grant has expired due to it being revoked, a fresh auth token is needed
The refresh token was revoked — usually because the user changed or reset their password, or an admin revoked sessions.
Azure Front Door: Our services aren't available right now (503/502 from Front Door)
Front Door couldn’t get a valid response from your origin — origin down, health probes failing, TLS/host header mismatch, or a ti…
AADSTS50057: The user account is disabled
The account exists but is blocked from signing in.
AADSTS50055: The password is expired
The user’s password expired under the tenant/on-prem password policy and must be changed before signing in.
RequestDisallowedByPolicy: Resource 'x' was disallowed by policy
An Azure Policy assignment denied the request — allowed locations, SKUs, required tags, public network access, etc.
InvalidAuthenticationTokenTenant: The access token is from the wrong issuer
The token was issued by a different tenant than the one that owns the subscription/resource.
SAML: Invalid SAML response — signature validation failed / audience mismatch / response expired (NotOnOrAfter)
The service provider rejected the IdP’s SAML assertion — wrong certificate, Audience/Entity ID mismatch, ACS URL mismatch, or clo…
AADSTS53003: Access has been blocked by Conditional Access policies
Sign-in succeeded, but a Conditional Access policy blocked access — device, location, app or risk conditions weren’t met.
AADSTS7000222: The provided client secret keys for app are expired
The app registration’s client secret has expired, so service-to-service authentication fails.
AADSTS70021: No matching federated identity record found for presented assertion (GitHub Actions / workload identity)
The OIDC token from GitHub Actions/Kubernetes/another IdP doesn’t match any federated credential on the app — issuer, subject or…
Azure SQL: Login failed for user '<token-identified principal>' (Microsoft Entra / managed identity)
Entra ID authentication succeeded, but there’s no database user for that identity (or it lacks permission to the database).
Two steps away (33)
Webhook signature verification failed (Stripe, Razorpay, GitHub…)
Your endpoint computed a different HMAC signature than the one the provider sent, so the webhook is rejected.
Error creating: pods is forbidden: violates PodSecurity "restricted:latest": allowPrivilegeEscalation != false ...
The namespace enforces a Pod Security Standard (baseline/restricted) and the pod spec breaks one of its rules.
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed)
The server’s SSH host key differs from the one saved in ~/.ssh/known_hosts — usually because the server was rebuilt or the IP was…
HTTP 401 Unauthorized
The request has no valid authentication credentials — you need to log in or send a valid token.
JWT Expired / Invalid Token
The JSON Web Token sent with the request is expired, malformed or signed with a different key, so the API rejects it (usually wit…
{"message":"Missing Authentication Token"} / No authorization token was found
The request reached a protected endpoint without credentials — or, on AWS API Gateway, it hit a path/method that doesn’t exist.
HTTP 502 Bad Gateway
A proxy or gateway (Nginx, load balancer, CDN) got an invalid response — or no response — from the upstream server behind it.
HTTP 503 Service Unavailable
The server is temporarily unable to handle the request — overloaded, in maintenance, or has no healthy backends.
Cloudflare Error 520: Web Server Returned an Unknown Error
Cloudflare connected to your origin, but the origin returned an empty, unknown or invalid response.
passwd: Authentication token manipulation error
passwd couldn’t update the password — the root filesystem is read-only, /etc/shadow has wrong permissions/attributes, or a PAM ru…
Failed to connect to bus: No such file or directory (systemctl --user / timedatectl)
The command needs the D-Bus/systemd bus, which isn’t available in this session — common over su, sudo -u, cron, containers or WSL.
AADSTS50126: Error validating credentials due to invalid username or password
Microsoft Entra ID (Azure AD) rejected the sign-in because the username or password is wrong — or the flow can’t use passwords fo…
AADSTS65001: The user or administrator has not consented to use the application
The app needs permissions that haven’t been granted for this user or tenant.
AADSTS90002: Tenant 'x' not found
The tenant ID or domain in the authority URL doesn’t exist — or isn’t in the cloud you’re calling (public vs government/China).
AADSTS50034: The user account does not exist in the directory
There’s no user with that sign-in name in the tenant.
Azure: AuthorizationFailed — The client does not have authorization to perform action
The signed-in identity (user, service principal or managed identity) lacks an Azure RBAC role for that action on that scope.
AADSTS500113: No reply address is registered for the application
The app registration has no redirect URI for the platform being used, so Entra ID has nowhere to send the response.
ARM/Bicep: DeploymentFailed / InvalidTemplateDeployment / InvalidTemplate
An Azure Resource Manager (ARM/Bicep/Terraform) deployment failed; the inner error under “details” has the real cause.
SubscriptionNotFound: The subscription 'x' could not be found
The subscription ID doesn’t exist in the current tenant or the identity has no access to it.
AADSTS700082: The refresh token has expired due to inactivity
A cached refresh token wasn’t used for 90 days (the inactivity limit) and is no longer valid.
bcrypt error: Illegal arguments: undefined, string / data and salt arguments required / data and hash arguments required
bcrypt.compare/hash received undefined — the password field or stored hash wasn’t passed.
Firebase Auth: auth/invalid-credential (auth/wrong-password, auth/user-not-found, auth/invalid-login-credentials)
Firebase rejected the email/password sign-in — wrong password, no such user, or a provider credential that’s malformed/expired.
AWS Cognito: NotAuthorizedException: Incorrect username or password
Cognito rejected the sign-in — wrong credentials, a disabled user, an auth flow not enabled on the app client, or an expired refr…
Azure AD (Entra ID): AADSTS50076 / AADSTS50079 — multi-factor authentication required
A Conditional Access policy requires MFA, but the sign-in flow (often a script, legacy client or ROPC password grant) can’t compl…
AADSTS50105: Your administrator has configured the application to block users unless they are specifically granted access
The enterprise app requires assignment (“Assignment required? Yes”) and the user isn’t assigned to it, directly or via a group.
OAuth 2.0 Error: invalid_client
The OAuth server couldn’t authenticate your application — wrong client ID/secret, wrong auth method, or the client doesn’t exist…
Kubernetes: CreateContainerConfigError — secret / configmap not found
Kubernetes can’t build the container’s configuration — usually a referenced Secret, ConfigMap or key doesn’t exist in that namesp…
ECS: ResourceInitializationError: unable to pull secrets or registry auth
Fargate couldn’t fetch the task’s secrets (Secrets Manager/SSM) or registry credentials before starting containers.
! [remote rejected] main -> main (shallow update not allowed)
You pushed from a shallow clone to a remote that doesn’t accept shallow history.
remote: Permission to owner/repo.git denied to github-actions[bot]. fatal: unable to access … The requested URL returned error: 403
A GitHub Actions workflow tried to push but the GITHUB_TOKEN doesn’t have write permission.
npm ERR! `npm ci` can only install packages when your package.json and package-lock.json are in sync
package-lock.json doesn’t match package.json, so npm ci refuses to install.
DefaultAzureCredential failed to retrieve a token from the included credentials / ManagedIdentityCredential authentication unavailable
The Azure SDK tried every credential source (env vars, workload identity, managed identity, CLI…) and none worked.
Azure SQL: Cannot open server 'x' requested by the login. Client with IP address 'y' is not allowed to access the server (Error 40615)
The Azure SQL server firewall doesn’t allow your client’s IP address.
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