What does Windows error code 9655 (DNS_ERROR_DATAFILE_PARSING) mean?

 
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DNS_ERROR_FILE_WRITEBACK_FAILED DNS_ERROR_RECORD_DOES_NOT_EXIST

DNS_ERROR_DATAFILE_PARSING

DNS_ERROR_DATAFILE_PARSING means the DNS Server service could not parse part of a file-backed zone. The error can be caused by invalid record syntax, incorrect SOA or NS data, bad directives, unsupported encoding, or a truncated file.

What to check

  • Use DNS Server events to identify the line, record, or file involved before editing.
  • Compare the file with a known-good exported or backed-up copy of the same zone.
  • Correct the specific invalid entry and preserve SOA, NS, and delegation data rather than rebuilding the zone blindly.

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