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ERROR_APP_DATA_LIMIT_EXCEEDED
Fast Cache data has exceeded its max size and cannot be updated.
ERROR_APP_DATA_LIMIT_EXCEEDED is Win32 error 4403 (0x1133) and belongs to Fast Cache size enforcement. The system description identifies the immediate condition but does not identify the caller, object, policy, device, service instance, or transition that produced it.
Interpret this result at the API boundary that returned it. Capture it before logging, cleanup, or another Windows call can replace the thread-local last-error value. Compare the recorded inputs with the documented precondition for Fast Cache size enforcement rather than starting with a broad system repair.
Where the result appears
- This result can surface during updating an application cache entry near its maximum size.
- This result can surface during serializing expanding state into a bounded Fast Cache store.
- It can surface during a deployment adding fields or assets to cached data.
- It can surface during per-user cache growth under repeated updates.
Likely causes
- the new entry or total cache exceeds the configured maximum.
- obsolete versions or duplicate objects were retained.
- compression or pruning expected by the application did not occur.
- a size calculation ignored encoding or serialization overhead.
Diagnostic sequence
Diagnosis of it starts with the exact request type: read, write, create, transition, validation, cancellation, or administrative action. Identify the object generation and subsystem owner, then decide whether the failure happened before side effects, during a partial transition, or after completion. This ordering matters in Fast Cache size enforcement because a blind retry can hide stale state or repeat a non-idempotent change.
- record current and proposed serialized sizes.
- record configured per-entry and total limits.
- record largest retained objects and version history.
- record encoding, compression, and alignment overhead.
- record authoritative data that can be omitted or regenerated.
Correlate it with the owning component’s operational log, the Windows System log, and any subsystem trace. Telemetry for it should preserve native identifiers such as a path or file ID, handle generation, node or peer identity, policy ID, object version, offset and length, or transaction token. Retain decimal 4403, hexadecimal 0x1133, and the producing API even when a localized message is also shown.
State boundary to prove
The decisive boundary for it is whether the new entry or total cache exceeds the configured maximum. Prove or disprove that proposition using current and proposed serialized sizes together with configured per-entry and total limits. When observations for it disagree, preserve both and inspect the transition between them instead of choosing the more convenient value.
A focused validation for it should recreate the relevant part of this situation: an application starts caching image thumbnails inside a settings object until the bounded entry exceeds its limit. Moving thumbnails to a dedicated store fixes the design. The negative case should keep the responsible condition unchanged and confirm error 4403; the recovery case should change only that condition and verify a successful result without an unrecorded side effect.
Handling, retry, and recovery
Reduce the cached representation, remove obsolete entries through supported APIs, or adjust a documented limit. Never split data arbitrarily if readers expect one atomic versioned object.
Retry it only after evidence shows a change in Fast Cache size enforcement. Initialization, asynchronous completion, recall, or service readiness can justify bounded backoff; malformed metadata, invalid identifiers, policy rejection, unsupported versions, and integrity failures require correction. Before repeating a write or configuration operation after it, query completion state explicitly.
What to log for support and telemetry
- log decimal 4403, hexadecimal
0x1133, and the producing API. - log the target object and observed Fast Cache size enforcement state.
- log caller identity, process and thread IDs, machine or node identity, and UTC time.
- log attempt number, elapsed time, previous result, and any partial side effect.
- retain the first lower-level or component-specific error before Win32 translation.
Difference from nearby codes
This is a capacity limit, not disk-full evidence; the backing volume can have abundant space while Fast Cache rejects growth.
Practical example
An application starts caching image thumbnails inside a settings object until the bounded entry exceeds its limit.
Developer and administrator guidance
Code that handles it should keep its Win32 domain visible across exceptions, RPC responses, and JSON or REST wrappers. Administrators should verify the subsystem evidence before changing policy, deleting state, forcing failover, or replacing storage. Recovery is demonstrated only when a test observes 4403, changes the responsible condition, and confirms that the same operation succeeds without hidden data loss.
References
- Microsoft: System Error Codes (4000–5999) — reference for error 4403.
- Microsoft: Storage management — reference for error 4403.
- Microsoft: Troubleshoot data corruption and disk errors — reference for error 4403.
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