What does NTSTATUS 0xC000A083 (STATUS_XML_PARSE_ERROR) mean?

 
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STATUS_LOST_WRITEBEHIND_DATA_LOCAL_DISK_ERROR STATUS_XMLDSIG_ERROR

STATUS_XML_PARSE_ERROR

The input failed XML parsing before higher-level processing

XML parsing first requires a well-formed document: markup must be correctly nested, a document must have a single root element, character references must be legal, and the byte stream must agree with its encoding declaration. This status usually identifies a syntax or decoding failure before schema validation or application-specific interpretation can begin.

The most useful evidence is the original byte sequence plus the parser location and error. Text displayed in a log may already have replaced invalid bytes or normalized line endings. Truncated network responses, an unexpected byte-order mark, unescaped characters, duplicate declarations, and HTML returned where XML was expected are common concrete causes.

What to inspect

  • Capture the original bytes, content length, content type, declared encoding, BOM, and parser line and column.
  • Validate well-formedness independently without automatically rewriting the document.
  • Check transport and decompression layers for truncation before changing XML parser settings.
  • Distinguish a syntax failure from a well-formed document that later fails schema or business validation.

References


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