I have been trying various combinations of patterns to get IIS logs parsed, but have been unsuccessful in getting the patterns to match. I can get apache logs to parse perfectly fine, even with geoip. But I just can't get IIS logs to parse. Here's the pattern I am trying: %{TIMESTAMP_ISO8601:times…

_grokparsefailure for IIS logs

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_grokparsefailure for IIS logs

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