---
schema_version: "1"
id: bf90bf4aa0050bad69f38a4c9a5c0d35fe7b87e2621767498f6bff72edab7bdb
title: Prerequisites
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_co_prerequisites_connect_clouds.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_co_prerequisites_connect_clouds.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 0a14ebbd84caa9380b0a76d05be304de960a91118ed28c2d78692e2ee739acd8
description: Review these prerequisites before installing Marketing Cloud Connect for Marketing Cloud Engagement.
products:
  - Marketing
  - Cross Cloud
release: "264"
---
# Prerequisites

Review these prerequisites before installing Marketing Cloud Connect for Marketing Cloud Engagement.

- Marketing Cloud Connect requires a relationship between a single Engagement account and one or more Salesforce orgs. Your Engagement account must be provisioned and enabled for use with Marketing Cloud Connect before connection.
- Subscriber Key is required for Marketing Cloud Connect. If it isn’t enabled in your Engagement account, complete a Subscriber Key Migration before proceeding with the connection process.
- Ensure that four custom tabs are available in your Salesforce org.
- To use most Marketing Cloud Connect functionality, users need an Engagement license and a Sales or Service Cloud license.

![Review Prerequisites and Install Package - Step 1](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-mktg-mc_cross-cloud_products-264-0-0-production-enus/bd617332-480f-48e8-b283-3477883c1320/mc_cross-cloud_products/images/connect---1-1-prereqs.png)

#### See Also

- [Marketing Cloud Connect Features](https://help.salesforce.com/s/articleView?id=mktg.mc_co_features.htm&release=264.0.0&type=5 "Learn about edition compatibility with Marketing Cloud Connect for Marketing Cloud Engagement and what features are available.")