---
schema_version: "1"
id: 63a46fce1c3f05ef5696a08a40551e477a3107810219da7e573fc7089bf26b7c
title: Pause and Resume Synchronization
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_cab_pause_and_resume_synchronization.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_cab_pause_and_resume_synchronization.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 92fa2d6094cb01312f592cce48bedf07db5bafebac74a239ad0b4c9ab29369a0
description: Pause the synchronization process in Contact Builder to prevent further updates to the data synchronized from the external data source. Resume the synchronization process to refresh the data with the latest version from the external data source. Any pause or refresh performed in a multi-org environment affects all business units integrated using the same active Salesforce System user.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Pause and Resume Synchronization

Pause the synchronization process in Contact Builder to prevent further updates to the data synchronized from the external data source. Resume the synchronization process to refresh the data with the latest version from the external data source. Any pause or refresh performed in a multi-org environment affects all business units integrated using the same active Salesforce System user.

1. Click **Data Sources**.
2. Click **Synchronized**.
3. Click the entity you wish to pause or resume.
4. To stop the synchronization process, click **Pause Sync**.
5. To resume the synchronization process, click **Resume Sync**.
6. Click **OK**.