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On-Demand settings

  • Published on Sep 2, 2026
  • 2 minute(s) read
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Access the On-Demand Settings page to modify the MSMEODUser password credentials.

Trellix Security for Microsoft Exchange creates a user MSMEODUser in the Active Directory during the product installation on the mailbox server. This user is required to perform on-demand scanning on mailboxes.

To comply with your organization security policy, you might require to update the MSMEODUser password at regular intervals.

From the interface, navigate to Settings & Diagnostics | On-Demand Settings.

Option

Definition

User Name

MSMEODUser — The user that performs on-demand scanning.

Note

This is a read-only field.

Type password

Type the password.

Confirm password

Confirm the password.

Reset this password in LDAP also

Select this option to synchronize the password update with the Active Directory and other exchange servers.

Note

Check this option only when you initiate the password reset from the On-Demand settings page.

You can update the MSMEODUser password in two ways:

  • Reset the password in the Active Directory, then update the password in the On-Demand Settings page.

  • Reset the password from the On-Demand Settings page.

Reset the password using Active Directory

Reset the password using On-Demand Settings page

  1. Update the password in the Active Directory.

  2. Go to any of the mailbox role system within the same Active Directory.

  3. Launch the Trellix Security for Microsoft Exchange interface.

  4. From Settings & Diagnostics, navigate to the On-Demand settings page, then update the password.

  5. Deselect the Reset the password in LDAP also option.

  6. Click Apply.

  1. Launch the Trellix Security for Microsoft Exchange interface.

  2. From Settings & Diagnostics, navigate to the On-Demand settings page, then update the password.

  3. Check the Reset the password in LDAP also option to make sure that the password update is synchronized with the Active Directory.

  4. Click Apply.

Note

For managed systems, you can update the MSMEODUser password from ePolicy Orchestrator - On-premises.

Note

It might take up to a minute to apply this setting in all exchange servers within the domain. Please run an on-demand scan after updating the password for verification.

For more information about the MSMEODUser, see Trellix KnowledgeBase article KB82332.

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