Use this consolidated error code index to navigate HTTP, AWS, Azure, and GCP failures from a single technical library. Each entry links to source-backed diagnosis, root-cause patterns, and production-focused remediation steps. Start broad, then drill into provider pages, operational categories, compare guides, or incident playbooks.
62 error codes available
100 error codes available
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22 error codes available
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Azure Storage InvalidAuthenticationInfo means the request reached Storage, but the authentication metadata is missing, malformed, inconsistent with the signed r...
Azure SubscriptionNotFound means ARM cannot resolve the target subscription in the caller tenant, context, deployment scope, or access graph used by the request...
Azure Conflict means ARM or a resource provider rejected an operation because the target resource is in a state, lock, or concurrent operation window that confl...
Azure InvalidRequestContent means ARM or a resource provider rejected the final request body because required fields, types, or API-version-specific properties...
Azure ResourceQuotaExceeded means a deployment or scale operation exceeded an Azure quota dimension for the subscription, region, resource family, or provider s...
ARM returns `ResourceGroupNotFound` when the target resource group does not exist in the active subscription context.
ARM returns `StorageAccountNotFound` when the referenced storage account name, resource group, or subscription context does not resolve.
ARM returns `SubscriptionRequestsThrottled` when subscription or tenant request limits are exceeded and the control plane responds with throttling.
Azure Blob service returns `ContainerNotFound` (404) when the specified blob container does not exist.
Azure BlobNotFound means the container resolved, but the exact blob name, version, or snapshot requested does not exist at that address.
Azure ConditionNotMet means one or more conditional headers evaluated false; reads can return 304 and writes typically return HTTP 412.
ARM returns `InvalidResourceLocation` when a storage account name already exists in your subscription but in a different location than requested.
ARM returns `OperationNotAllowed` when the requested deployment action violates SKU, quota, policy, or resource-state constraints.
Azure BadRequest means ARM or a resource provider accepted the request envelope but rejected the rendered payload, parameter values, API-version shape, or neste...
Azure returns `Forbidden` (403) when the caller is authenticated but blocked by authorization, policy, or service-level access controls.