Marketing Cloud Connect: Assign Business Units to the Marketing Cloud API User for Enterprise 2.0 accounts

Setup

1. In the Marketing Cloud, navigate to Setup.
2. Expand Users tab.
3. Click Users
4. Select the checkbox next to the Marketing Cloud API User.
5. Click Manage Business Units at the top of the Users table.
6. Ensure the selection under 'Default Business Unit' is the top-level Business Unit.
7. In the 'Associated Business Units' section, select all Business Units to be used with Marketing Cloud Connect.
8. Click Save.

Email Studio

1. In the Marketing Cloud, navigate to Email Studio.
2. Click Admin.
3. Click My Users.
4. Select the checkbox next to the Marketing Cloud API User.
5. Click Manage Business Units at the top of the Users table.
6. Ensure the selection under 'Default Business Unit' is the top-level Business Unit.
7. In the 'Associated Business Units' section, select all Business Units to be used with Marketing Cloud Connect.
8. Click Save.

Note 1: Repeat this process when creating business units in the future for use with Marketing Cloud Connect.

Note 2: If you are using Multi-Org, then the Default Business Unit of the Marketing Cloud API User may vary, depending on what Business Units are integrated.

For example, if the top-level Business Unit is not connected and Child Business Unit 1 is connected, then the Marketing Cloud API User's Default Business Unit should be Child Business Unit 1, and not the top-level Business Unit.