If missed, please refer to the Azure Credential Generation and Configuration guide here.
1. Navigate to https://portal.azure.com/
2. In the administrative ribbon called 'Azure services' open 'Azure Active Directory'
3. Navigate to 'Roles and administrators'
4. Search for 'Password administrator' and click it once found
5. Select 'Add assignments'
6. Click 'No member selected' and in the right pane search for and select the existing application that was created during credential generation following guide found at beginning of this KB.
7. Click 'Next' and provide a justification within comment box
8. Complete workflow by clicking the 'Assign' button