"Operation Failed" message appears when sending attachments via Mail Express with the Outlook Add-In

THE INFORMATION IN THIS ARTICLE APPLIES TO:

  • Mail Express, v3.0

SYMPTOM

"Operation Failed" message appears when sending attachments via Mail Express with the Outlook Add-In.

CAUSE

The version of the .NET Framework required by the Add-In is not installed.

RESOLUTION

The Add-In requires .NET Framework 3.5 SP1, so ensure that it is installed. (Installing .NET Framework 4.0 will not install earlier versions of the .NET Framework.)

Posted 14 Years Ago, Updated Last Year
https://kb.globalscape.com/Knowledgebase/10611/Operation-Failed-message-appears-when-sending-attachments-via-Mail-Express-with-the-Outlook-AddIn