---
schema_version: "1"
id: 6957589c27c352e0b3271ced52ccbcee95939a5693ed5c6252c6543c2b262c0d
title: Enable Contacts to Business Unit Mapping
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_overview_enable_contact_to_business_unit_mapping.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_overview_enable_contact_to_business_unit_mapping.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 37dfc3161c73b545ffb11b01b5ec55514c3d68b460b1ba7c6d4a68bead5043bb
description: Enterprise 2.0 users of Marketing Cloud Engagement can map contacts to specific business units. When you enable it, it's available for all of your business units.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Enable Contacts to Business Unit Mapping

Enterprise 2.0 users of Marketing Cloud Engagement can map contacts to specific business units. When you enable it, it's available for all of your business units.

1. Using an admin account, open Setup.
2. Under **Settings**, click **Company Settings**.
3. Select **Account Settings**.
4. Click **Edit**.
5. Select **Enable Contacts to Business Unit mapping**.
    
    This setting enables the background service and tables that support Contact to Business Unit mapping. After you select this setting, it can’t be disabled.
6. Click **Save**.