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Failed to read emails, email files or html files with error

When importing or processing *.htm, *.html, *.msg or *.eml files from a watched folder or when processing emails with the option to "Process the email body like a document" is selected in a job that has email as a source configured, you may see an error describing a OperationTimeOut and that the file is unsupported. The error may present something like the warning below.

This can be caused by 1 of 3 issues:

  1. Umango requires the Chrome browser engine to be installed on the Umango server as it is used to render the emails into image formats.
  2. The Umango Windows service logon account must have Chrome application execution privileges. Typically the default logon account (Local System) does not have these permissions and the process will fail.
  3. Some email servers block too many simultaneous connections or accessing too many emails within a give window of time. Check with your email server administrator to see if this is a possible cause  
There has also been numerous occasions where changes to Windows via Windows update have necessitated an update to Umango to resolve this issue. As a consequence, ensure you are running the latest release of Umango.

Once these issues have been addressed, restart the Umango service and try again.

Link to this article https://umango.com/KB?article=137