Trellix DLP Outlook add-in deployed from Office 365 Admin Center blocks Windows users to send emails on Windows Outlook
Last Modified: 2023-04-27 07:57:02 Etc/GMT
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Trellix DLP Outlook add-in deployed from Office 365 Admin Center blocks Windows users to send emails on Windows Outlook
Technical Articles ID:
KB96417
Last Modified: 2023-04-27 07:57:02 Etc/GMT Environment
Data Loss Prevention (DLP) Endpoint for macOS 11.10.x DLP Endpoint for Windows 11.10 and earlier For environment information, see KB68147 - Supported platforms for Data Loss Prevention Endpoint. Summary
Microsoft Outlook has two User interfaces (UI), which are as follows:
The DLP Outlook add-in monitors email headers, body of the email, and attachments for any sensitive content. For details on add-in deployment, see Manage Deployment. Problem
For DLP Endpoint for macOS 11.10.x, the deployment of the DLP Outlook add-in works fine for macOS. But, if the user uses Windows as well, the add-in blocks emails being sent emails on Windows Outlook.
Cause
The DLP Outlook add-in uses a backend process to send emails, which isn't available on Windows Outlook with DLP 11.10.0 and earlier.
Workaround
NOTE: Currently, the DLP Outlook add-in shouldn't be deployed for users who have access to Outlook for both Windows and macOS. For users who have access to Outlook for both Windows and macOS, the DLP Outlook addin must be deployed locally on macOS. Steps to deploy the DLP Outlook addin locally:
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