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ERROR_PARAMETER_QUOTA_EXCEEDED
A parameter exceeded the function’s supported capacity.
ERROR_PARAMETER_QUOTA_EXCEEDED is Win32 error 1283 (0x503). It means that data carried by one of the parameters is larger, more numerous, or more complex than the receiving function can operate on. The word “quota” refers to the API’s processing limit, not necessarily to memory, disk, or account quotas.
Examples of limit dimensions
- too many entries in an array, attribute list, or security structure
- a nested description whose total encoded size exceeds an implementation limit
- a parameter containing more handles, identifiers, or ranges than supported
- integer expansion that makes the calculated byte length exceed the contract
- a wrapper combining several valid pieces into one oversized request
Evidence to record
Log the API name, parameter index, element count, encoded byte size, structure version, flags, and the documented or discovered threshold. Preserve the exact request shape while redacting secrets. Recording only the final error loses the information needed to distinguish a count limit from a malformed length field.
Diagnostic sequence
Inspect the called function’s parameter contract and any per-structure maximums. Recalculate lengths with checked arithmetic and verify whether they include headers, alignment, terminators, or nested buffers. Reduce one dimension at a time until the call succeeds; the boundary often identifies the constrained field.
When the request passes through RPC, COM, a driver IOCTL, or another serialization layer, measure both the logical payload and the marshaled representation. A compact in-memory object can expand because of alignment or duplicated metadata. Test the same boundary on supported Windows versions if the limit is documented as implementation-defined.
How to fix it
Split the work into contractually valid batches, paginate enumeration requests, or redesign the representation so a single parameter does not carry unbounded state. Preserve ordering and transactional semantics across batches. Never truncate silently: callers must know which elements were omitted and whether partial execution occurred.
Difference from nearby errors
ERROR_INSUFFICIENT_BUFFER normally says an output buffer supplied by the caller is too small. ERROR_NOT_ENOUGH_MEMORY reports resource allocation failure. Error 1283 says the function does not support the amount of data presented in a parameter even if memory is available.
Example
A management tool builds one request containing thousands of filter identifiers. The individual identifiers are valid, but the marshaled parameter exceeds the service’s supported entry count and returns 1283. Sending bounded batches with a shared operation ID resolves the failure and keeps telemetry understandable.
References
- Microsoft: System Error Codes (1000–1299)
- Microsoft: Retrieving the last-error code
- Microsoft: Windows data types
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